Books
1. Abtew, W. 2025. Nile Water Conflict and the Grand Ethiopian Renaissance Dam. (ISBN 9783031786563, Springer)
2. Melesse A.M., Abtew, W. and Moges, S. (eds.). 2021. Nile and Grand Ethiopian Renaissance Dam: Past, Present and Future. Springer, New York (https://www.springer.com/gp/book/9783030764364)
3. Melesse A.M., Abtew, W. and G. Senay (eds.). 2019. Extreme hydrology and climate variability: monitoring, modeling, adaptation and mitigation. Elsevier (https://www.elsevier.com/books/extreme-hydrology-and-climate-variability/melesse/978-0-12-815998-9).
4. Abtew, W, Dessu S. 2018. The Grand Ethiopian Renaissance Dam on the Blue Nile River: Springer (https://www.springer.com/la/book/9783319970936)
5. Melesse, A. and W. Abtew (eds.). 2016. Landscape Dynamics, Soil and Hydrological Processes in Varied Climates, Springer, New York. https://www.springer.com/us/book/9783319187860
6. Melesse, A., W. Abtew and S. Setegn (eds.). 2014. Nile River Basin: Ecohydrological Challenges, Climate Change and Hydropolitics, Springer, New York, ISBN 978-3-319-02719-7. eBook: http://dx.doi.org/10.1007/978-3-319-02720-3
7. Abtew, W. and A. Melesse. 2013. Evaporation and Evapotranspiration: Measurements and Estimations. Springer, New York, ISBN 978-94-007-4736-4. eBook: https://www.springer.com/gp/book/9789400747364
8. Abtew, W. and A.M. Melesse (eds.). 2008. Proceedings of the 2008 Workshop on Hydrology and Ecology of the Nile River Basin under Extreme Climatic Conditions. Aardvark Global Publishing, Salt Lake City, UT, ISBN 978-1-4276-3150-3, 378p. https://www.researchgate.net/publication/237075196_Proceedings_of_the_Nile_Workshop_on_the_hydrology_and_ecology_of_the_Nile_River_under_extreme_conditions
Book Chapters
9. Moges, S.A., W. Abtew, A.M. Melesse. 2021. Chapter 1: Introduction. In: Melesse A.M., Abtew, W. and Moges, S.A. (eds.). 2021. Nile River Basin and Grand Ethiopian Renaissance Dam: Past, Present and Future. Springer, New York
10. Abtew, W. 2021. Chapter 14: The Grand Ethiopian Renaissance Dam: Evaluation of Filling and Operation Plans and Negotiations. In: Melesse A.M., Abtew, W. and Moges, S.A. (eds.). 2021. Nile River Basin and Grand Ethiopian Renaissance Dam: Past, Present and Future. Springer, New York
11. Abtew, W., S.A. Moges, M. Meles, M. Imru. 2021. Chapter 16: River Flow Monitoring and Data Quality for Equitable Nile Water Sharing. In: Melesse A.M., Abtew, W. and Moges, S.A. (eds.). 2021. Nile River Basin and Grand Ethiopian Renaissance Dam: Past, Present and Future. Springer, New York
12. Abtew, W. 2019. Chapter 28: Hurricanes: wind, rain and storm surge. In: Melesse A., W. Abtew and G. Senay (eds.). Extreme hydrology and climate variability: monitoring, modeling, adaptation and mitigation, Elsevier.
13. Abiy, A.Z., A.M. Melesse, W.M. Seyoum and W. Abtew. 2019. Chapter 22: Drought and climate teleconnection and drought monitoring. In: Melesse A., W. Abtew and G. Senay (eds.). Extreme hydrology and climate variability: monitoring, modeling, adaptation and mitigation, Elsevier.
14. Melesse, A. and W. Abtew. 2016. Chapter 1: Introduction: In: Melesse A. and W. Abtew (eds.). Landscape Dynamics, Soil and Hydrological Processes in Varied Climates, Springer.
15. Abtew, W and A. Melesse. 2016. Chapter 3: Landscape Impact on Regional Hydrology and Climate. In: Melesse A. and W. Abtew (eds.). Landscape Dynamics, Soil and Hydrological Processes in Varied Climates, Springer, New York.
16. Abtew, W., T. Piccone, K. Pietro and S.K. Xue. 2016. Hydrologic and Treatment Performance of Constructed Wetlands: The Everglades Stormwater Treatment Areas. In: C. M. Finlayson, M. et al. (eds.). The Wetland Book. Springer, New York. DOI 10.1007/978-94-007-6172-8_62-2
17. Melesse, A., Abtew, W. and Setegn, S. 2014. Chapter 1: Introduction: A Scarce and Shared Resource: Hydrologic Threats, Trends and Challenges in the Nile River Basin. In: Melesse, A., Abtew, W. and Setegn, S (eds.). Nile River Basin: Ecohydrological Challenges, Climate Change and Hydropolitics, Springer, New York.
18. Abtew, W and A. Melesse. 2014. Chapter 2: The Nile River Basin. In: Melesse, A., Abtew, W. and Setegn, S (eds.). Nile River Basin: Ecohydrological Challenges, Climate Change and Hydropolitics, Springer, New York.
19. Abtew, W. 2014. Chapter 7: Land and Water in the Nile Basin. In: Melesse, A., Abtew, W. and Setegn, S (eds.). Nile River Basin: Ecohydrological Challenges, Climate Change and Hydropolitics, Springer, New York.
20. Abtew, W and A. Melesse. 2014. Chapter 28: Transboundary Rivers and the Nile. In: Melesse, A., Abtew, W. and Setegn, S (eds.). Nile River Basin: Ecohydrological Challenges, Climate Change and Hydropolitics, Springer, New York.
21. Abtew, W and A. Melesse. 2014. Chapter 33: Climate Teleconnections and Water Management. In: Melesse, A., Abtew, W. and Setegn, S (eds.). Nile River Basin: Ecohydrological Challenges, Climate Change and Hydropolitics, Springer, New York.
22. Melesse, A., Abtew, W., Setegn, S., Dessalegne, T.. 2011. Chapter 1: Hydrological Variability and Climate of the Upper Blue Nile River Basin. In: Melesse, A. (ed.) Nile River Basin: Hydrology, Climate and Water Use. Springer, New York.
Peer-reviewed Articles
23. Abiy, Z.A., A. M. Melesse and W. Abtew. 2019. Teleconnection of regional drought to ENSO, PDO, and AMO: Southern Florida and the Everglades. Atmosphere 2019, 10(6), 295; https://doi.org/10.3390/atmos10060295
24. Abiy, Z.A., A. M. Melesse, W. Abtew and D. Whitman. 2019. Rainfall trend and variability in Southeast Florida: Implications for freshwater availability in the Everglades. PLOS ONE 14(2):e0212008. https://doi.org/10.1371/journal.pone.0212008
25. Abtew, W., J. Obeysekera and N. Iricanin. 2011. Pan Evaporation and Potential Evapotranspiration Trends in South Florida. Hydrological Processes. 25:958-969. DOI:10.1002hyp.7887.
26. Abtew, W. and P. Trimble. 2010. El Niño Southern Oscillation Link to South Florida Hydrology and Water Management Applications. Water Resources Management, 24(5):4255-4271, DOI:10.1007/s11269-010-9656-2.
27. Melesse, A., W. Abtew and T. Dessalegne. 2009. Evaporation Estimation of Rift Valley Lakes: Comparison of Models. Sensors Journal 9:9603-9615; DOI:10.3390/s91209603.
28. Abtew, W., A. Melesse and T. Dessalegne. 2009. Spatial, Inter and Intra-annual Variability of the Upper Blue Nile Basin Rainfall. Hydrological Processes. Vol. 23:3075-3082. DOI:10.1002/hyp.7419.
29. Abtew, W., A. Melesse and T. Dessalegne. 2009. El Niño Southern Oscillation link to the Blue Nile River Basin Hydrology. Hydrological Processes. Vol. 23:3653-3660; DOI:10.1002/hyp.7367.
30. Melesse, A., W. Abtew and T. Dessalegne. 2009. Low and High Flow Analysis and Wavelet Application for Characterization of the Blue Nile River System. Hydrological Processes. DOI:10.1002/hyp.7312.
31. Abtew, W. and N. Iricanin. 2008. Hurricanes Effects on South Florida Water Management System: A Case Study of Hurricane Wilma of 2005. Journal of Spatial Hydrology, Vol. 8(1):1-21.
32. Abtew, W. and B. Powell. 2004. “Water Quality Sampling Schemes for Variable Flow Canals at Remote Sites.” Journal of the American Water Resources Association, Vol. 40(5):1197-1204.
33. Abtew, W. 2001. Evaporation Estimation for Lake Okeechobee in South Florida. Journal of Irrigation and Drainage Engineering, ASCE. Vol. 127(3):140-147.
34. Ali, A., W. Abtew, S. Van Horn and N. Khanal. 2000. Temporal and Spatial Characterization of Rainfall over Central and South Florida. Journal of the American Water Resources Association. Vol. 36(4):833-848.
35. Abtew, W. and J. Obeysekera. 1996. Drainage Generation and Water Use in the Everglades Agricultural Area Basin. Journal of the American Water Resources Association. Vol. 32(6):1147-1158.
36. Abtew, W. 1996. Evapotranspiration Measurements and Modeling for Three Wetland Systems in South Florida. Journal of the American Water Resources Association. Vol. 32(3):465-473.
37. Windemuller, P., D. L. Anderson, H. Aalderink, W. Abtew and J. Obeysekera. 1997. Modeling Flow in the Everglades Agricultural Area Irrigation/Drainage Canal Network. Journal of the American Water Resources Association. Vol. 33(1):21-34.
38. Abtew, W., J. Obeysekera and G. Shih. 1995. Spatial Variation of Daily Rainfall and Network Design. Transactions of ASAE. Vol. 38(3):843-845.
39. Abtew, W., S. Newman, K. Pietro and T. Kosier. 1995. Canopy Resistance Studies of Cattails. Transactions of the ASAE. Vol. 38(1):113-119.
40. Abtew, W. and J. Obeysekera. 1995. Lysimeter Study of Evapotranspiration of Cattails and Comparison of Three Estimation Methods. Transactions of the ASAE. Vol. 38(1):121-129.
41. Abtew, W. and J. Obeysekera. 1995. Estimation of Energy Requirements of Morning Dew Evaporation from Leaf Surfaces. Water Resources Bulletin. Vol. 31(2):217-225.
42. Shih, G., W. Abtew and J. Obeysekera. 1994. Accuracy of Nutrient Runoff Load Calculations Using Time-Composite Sampling. Transactions of the ASAE. Vol. 37(2):419-429.
43. Abtew, W. and N. Khanal. 1994. Water Budget Analysis for the Everglades Agricultural Area Drainage Basin. Water Resources Bulletin. Vol. 30(3):429-439.
44. Abtew, W., J. Obeysekera and G. Shih. 1993. Spatial Analysis for Monthly Rainfall in South Florida. Water Resources Bulletin. Vol. 29(2):179-188.
45. Borrelli, J., J. M. Gregory and W. Abtew. 1989. Wind Barriers: A Reevaluation of Height, Spacing, and Porosity. Transactions of the ASAE. Vol. 32(6):2023-2027.
46. Abtew, W., J. M. Gregory and J. Borrelli. 1989. Wind Profile: Estimation of Displacement Height and Aerodynamic Roughness. Transactions of the ASAE. Vol. 32(2):521-527.
Proceedings
47. Abtew, W. 2022. The Grand Ethiopian Renaissance Dam on the Blue Nile and Water Conflict. In: Pierson, J and Glubert, E. (eds.) Proceedings of the World Environmental and Water Congress 2022. June 5-8, 2022, Atlanta, GA (pages 593-599).
48. Abtew, W. and A.M. Melesse. 2016. Landscape dynamics and Evapotranspiration. Pathak K and Reinhart D (eds.). Selected papers from the Proceedings of the 2016 World Environmental and Water Resources Congress. West Palm beach, FL May 22-26, 2016. Hydraulics and Waterways and Hydro-Climate/Climate Change pp:668-678
49. Obeysekera, J., M. Irizarry-Ortiz, J. Park, J. Barnes, W. Abtew and P. Trimble. 2010. Assessment of precipitation projections and derived estimates of evapotranspiration from NARCCAP models for water resources applications in Florida. American Geophysical Union, Fall Meeting 2010 abstract #GC43F-1020.
50. James, R.T., W. Abtew, A. Akpoji, V. Anderson, M. Ansar, S. Bennett, L. Cadavid, C. Davenport, C. Gefvert, B. Gomez, J. Loftin, P. McCormick, P. Nicholas, K. O’Dell, J. Rodriguez, D. Unsell. 2009. Challenges and Opportunities in the Management of a Multi-Year Drought in South Florida (2006 -2008). The 1st Millennium Conference of the Ecological Society of America: Water-Ecosystem Services, Drought, and Environmental Justice, Athens, Georgia, November 9-12, 2009 (video).
51. Abtew, W., A.M. Melesse and T. Dessalegne. 2008. Blue Nile Basin Hydrology Relationship to Climatic Indices. In: W. Abtew and A. M. Melesse (Eds.), Proceedings of the 2008 Workshop on Hydrology and Ecology of the Nile River Basin under Extreme Climatic Conditions. Pages 76-89. Aardvark Global Publishing, Salt Lake City, UT (ISBN 978-1-4276-3150-3).
52. Abtew, W., A.M. Melesse and T. Dessalegne. 2008. Characteristics of Monthly and Annual Rainfall of the Upper Blue Nile Rainfall Basin. In: W. Abtew and A. M. Melesse (Eds.), Proceedings of the 2008 Workshop on Hydrology and Ecology of the Nile River Basin under Extreme Climatic Conditions. Pages 250-262. Aardvark Global Publishing, Salt Lake City, UT (ISBN 978-1-4276-3150-3).
53. Melesse, A.M., W. Abtew and T. Dessalegne. 2008. Ecohydrology and Climate Change Science: A Challenge and Opportunity in Understanding the Nile Basin System. In: W. Abtew and A. M. Melesse (Eds.), Proceedings of the 2008 Workshop on Hydrology and Ecology of the Nile River Basin under Extreme Climatic Conditions. Pages 1-3. Aardvark Global Publishing, Salt Lake City, UT (ISBN 978-1-4276-3150-3).
54. Melesse, A.M., W. Abtew and T. Dessalegne. 2008. Flow Analysis and Characterization of the Blue Nile River Basin System. In: W. Abtew and A. M. Melesse (Eds.), Proceedings of the 2008 Workshop Hydrology and Ecology of the Nile River Basin under Extreme Climatic Conditions. Pages 114-127. Aardvark Global Publishing, Salt Lake City, UT (ISBN 978-1-4276-3150-3).
55. Melesse, A.M., W. Abtew and T. Dessalegne. 2008. Simple Model and Remote Sensing Methods for Evaporation Estimation of Rift Valley Lakes in Ethiopia. In: W. Abtew and A. M. Melesse (Eds.), Proceedings of the 2008 Workshop on Hydrology and Ecology of the Nile River Basin under Extreme Climatic Conditions. Pages 263-276. Aardvark Global Publishing, Salt Lake City, UT (ISBN 978-1-4276-3150-3).
56. Abtew, W., R.S. Huebner and C. Pathak. 2007. Hydrology and Hydraulics of South Florida. K.C. Kabbes (ed.). Proceedings of the World Environmental and Water Resources Congress 2007. ASCE, May 15-19, 2007, Tampa, FL.
57. Abtew, W., T. Piccone and K. Pietro. 2007. Constructed Wetlands for Water Quality Improvement in Surface Water Discharge to the Everglades: Stormwater Treatment Areas. K.C. Kabbes (Ed.). Proceedings of the World Environmental and Water Resources Congress 2007, ASCE, May 15-19, 2007, Tampa, FL.
58. Huebner, R.S., C. Pathak and W. Abtew. 2007. Impact of Using Radar Rainfall Data in Water Budgets for South Florida Stormwater Treatment Areas. K.C. Kabbes (Ed.). Proceedings of the World Environmental and Water Resources Congress 2007, ASCE, May 15-19, 2007, Tampa, FL.
59. Abtew, W. and R. S. Huebner. 2006. Hydrologic Impact of the 2004 Hurricane Season on South Florida. Randall Graham (Ed.). Proceedings of the World Environmental and Water Resources Congress 2007. ASCE. May 21-25, 2006, Omaha, NE.
60. Abtew, W. 2005. Evapotranspiration in the Everglades: Comparison of Bowen Ratio Measurements and Model Estimates. Proceedings of the ASAE Annual International Meeting Technical Papers, Paper No. 052188, July 17-20, 2005, Tampa, Florida. ASAE.
61. Abtew, W., G. Goforth and G. Germain. 2004. Stormwater Treatment Areas: Constructed Wetlands for Phosphorus Removal in South Florida Surface Waters. G. Sehlke, D.F. Hayes and D.K. Stevens (Ed.). Proceedings of the World Environmental and Water Congress: Critical Transitions in Water and Environmental Resources Management. ASCE.
62. Abtew, W., J. Obeysekera, M. Irizarry-Ortiz, D. Lyons and A. Reardon. 2003. Evapotranspiration Estimation for South Florida. P. Bizier and P. DeBarry (Ed.). Proceedings of the World Environmental and Water Resources Congress 2003. ASCE.
63. Abtew, W., J. Obeysekera, A. Reardon and N. Duerr. 2003. Weather Station-based Potential Evapotranspiration Computation Model and Database for Central and South Florida. Joint Conference on the Science and Restoration of the Greater Everglades and Florida Bay Ecosystem, April 13-18, 2003, Westin Innisbrook, Palm Harbor, FL. GEER Program and Abstracts, pp. 3-4.
64. Abtew, W. and R. S. Huebner. 2002. Droughts and Water Shortages in Humid Region of South Florida. D.F. Kibler (Ed.). Proceedings of the 2002 Conference on Water Resources Planning and Management, Symposium on Managing the Extremes: Floods and Droughts, First Symposium on Environmental and Water Resources Systems Analysis. May 19-22, 2002, Roanoke, VA. ASCE.
65. Abtew, W. and T. Bechtel. 2001. Hydrologic Performance of a Large-Scale Constructed Wetland: The Everglades Nutrient Removal Project. D. F. Hayes (Ed.). Designing Successful Stream and Wetland Restoration Projects. Proceedings of the 2001 Wetland Engineering and River Restoration Conference, August 27-31, 2001, Reno, Nevada. ASCE.
66. Abtew, W. and R. S. Huebner. 2000. Hydrologic Impact of Hurricane Irene on South Florida. American Water Resources Association’s Annual Water Resources Conference Proceedings “Water Quantity and Quality Issues in Coastal Urban Areas”. Nov. 6-9, 2000, Miami, FL. pp. 345-348. AWRA.
67. Abtew, W., D. L. Anderson, L. J. Lindstrom and A. Cadogan. 1998. Soil Moisture and Shallow Water Table Monitoring for Irrigation and Drainage Decision-Making. L. C. Brown (Ed.). Drainage in the 21st Century: Food Production and the Environment. Proceedings of the Seventh International Drainage Symposium, Orlando, FL. March 8-11, 1998. pp. 607-612. ASAE.
68. Abtew, W. 1997. Wind Transport and Deposition of Particles: Sampling at the Source. N. Urban (Ed.). Proceedings of the Conference on Atmospheric Deposition into South Florida, October 20-22, 1997. South Florida Water Management District Headquarters, West Palm Beach, FL. pp. 17-18.
69. Abtew, W., L. J. Lindstrom and S. Van Horn. 1997. Importance of Monitoring Network Design and Mass Balance Analysis for Best Management of Watersheds and Water Bodies. G. Redfield and K. O'dell (Eds.). Proceedings of the 1997 Annual Meeting of Florida Lake Management Society, Palm Beach Shores, FL. PP. 45-46.
70. Abtew, W. 1996. Lysimeter Study of Evapotranspiration from a Wetland. C. R. Camp, E. J. Sadler and R.E. Yoder (Eds.). Evapotranspiration and Irrigation Scheduling. Proceedings of the International Conference. Nov. 3-6, San Antonio, TX. pp. 54-60. ASAE.
71. Abtew, W., M. Chimney, T. Kosier, M. Guardo, S. Newman and J. Obeysekera. 1995. The Everglades Nutrient Removal Project: A Constructed Wetland Designed to Treat Agricultural Runoff/Drainage. K. L. Campbell (Ed.). Versatility of Wetlands in the Agricultural Landscape. Proceedings of an International Conference, pp. 45-56. ASAE.
72. Guardo, M., W. Abtew, J. Obeysekera and J. Roy. 1993. The Everglades Nutrient Removal Project: Hydrology, Hydrodynamics and Operation. Proceedings of Interamerican Dialogue on Water Management, Hotel Inter-Continental, Miami, FL October 27-30, 1993. pp. 171-181. South Florida Water Management District.
73. Abtew, W., R. G. Moras and K. L. Campbell. 1990. Synthetic Precipitation Data Generation. Proceedings of the 12th Annual Conference on Computers and Industrial Engineering. Computers and Industrial Engineering. Vol. 19:582-586.
Conference Papers, Abstracts and Presentations
74. Abtew, W. 2023. Climate Change and Transboundary Water Sharing. The 2023 International Conference on Nile River Basin and The Sudd Wetlands: Climate Change Adaptability and Sustainability, March 20-21, 2023, Miami, Florida, USA, Keynote Speech (Zoom). DOI: 10.13140/RG.2.2.31064.78089
75. Abtew, W. 2023. Wetlands and Hydroclimate: The Sudd Swamps in the Nile Basin in Contrast to
the Drainage of the Everglades of the United States. The 2023 International Conference on Nile River Basin and The Sudd Wetlands: Climate Change Adaptability and Sustainability, March 20-21, 2023, Miami, Florida, USA, (Zoom) DOI:
76. Abtew, W. 2022. Importance of Wetlands for Regional Hydroclimate and Ecology: Impact of Draining the Sudd Wetlands in the Nile Basin with Comparison to the Everglades. FIU Nile Talk Forum, 26 September 2022 (https://www.youtube.com/watch?v=MeO8aRQNcDA)
77. Abtew, W. 2022. The Hydro-Politics of Green, Blue, Grey, Virtual Water and Water Footprint in the Nile Basin. International Conference on Environment & Society (EAS) 2022 International Conference on Water, Food and Energy Security, July 4-5, 2022, Sapphire Addis Hotel, Addis Ababa, Ethiopia
78. Abtew, W. 2022. Hydrometeorology data monitoring network and database. International Conference on Environment & Society (EAS) 2022 International Conference on Water, Food and Energy Security, July 4-5, 2022, Sapphire Addis Hotel, Addis Ababa, Ethiopia
79. Abtew, W., Melesse, A. and Derbe, M. 2022. Rainfed Agriculture in the Blue Nile Basin and the Grand Renaissance Dam (GERD) Negotiations. International Conference on Environment & Society (EAS) 2022 International Conference on Water, Food and Energy Security, July 4-5, 2022, Sapphire Addis Hotel, Addis Ababa, Ethiopia
80. Abtew, A. 2020. The Grand Ethiopian Renaissance Dam: Evaluation of Filling and Operation Plans and Negotiations. 2020 International Conference on the Nile and Grand Ethiopian Renaissance Dam (GERD): Science, Conflict Resolution and Cooperation. August 20-21, 2020, Florida International University, Miami, FL (Virtual)
81. Abtew, W, Moges,S., Meles, M and Imru, M. 2020. River Flow Monitoring and Data Quality for Equitable Nile Water Sharing. 2020 International Conference on the Nile and Grand Ethiopian Renaissance Dam (GERD): Science, Conflict Resolution and Cooperation. August 20-21, 2020, Florida International University, Miami, FL (Virtual)
82. Abtew, W. 2019. Hurricane Irma impact on south Florida water management system and storm surge. GEER2019, April 22-25, 2019. Coral Springs, FL (Abstract).
83. Abiy, A., W. Abtew, A.M. Melesse (2017) Evaluation of regional hydroclimate variability and links to the hydrology and saltwater intrusion in South Florida. GEER2017, April 17-21, 2017. Coral Springs, FL (Abstract).
84. Abtew, W., A. Cadogan, A. Ali, T. Kosier, G. Germain and D. Wilkins. 1998. Hydrologic Performance of an Everglades Stormwater Treatment Area - STA6: A Constructed Wetland. Paper presented at the 1998 ASAE Annual International Meeting, Orlando, FL. July 12-15. Paper No. 98-2092.
85. Abtew, W., L. J. Lindstrom and T. Bechtel. 1997. "Flow-Proportional Sampling from Variable Flow Canals.” Paper presented at the 1997 ASAE Annual International Meeting, Minneapolis, MN. August 10-14. Paper No. 97-2226.
86. Abtew, W., M. J. Chimney, T.D. Fontaine and D.L. Anderson. 1996. Particulate Phosphorus fraction and Total Suspended Solids Role in P Removal Strategy in the Inflow Waters of the Everglades. Paper presented at the 1996 ASAE Annual International Meeting, Phoenix, AZ. July 14-18. Paper No. 96-2128.
87. Capone, L. T., W. Abtew, F. T. Izuno. 1996. Analysis of Hydrometeorology Data for the Everglades Agricultural Area (EAA) at Best Management Practice Experiment Sites. Paper presented at the 1996 ASAE Annual International Meeting, Phoenix, July 14-18. Paper No. 96-2130.
88. Chimney, M.J., S. Newman, P. McCormick, W. Abtew, M. Guardo, K. Rutchey and L. Vilcheck. 1995. The Role of Constructed Wetlands in the Preservation/Restoration of the Everglades: Current Status of the Everglades Nutrient Removal Project. Poster presentation at the National Symposium of Watershed Management and Wetland Ecosystems. Sheraton Grand Hotel, Tampa, FL. April 23-26, 1995.
89. Abtew W., J. Obeysekera and M. Chimney. 1994. Lysimeter Studies of Evapotranspiration of Wetland Vegetation in South Florida. Paper presented at the 1994 ASAE International Winter Meeting, Atlanta Hilton and Towers, Atlanta, Ga. December 13-16. Paper No. 94-2595.
90. Abtew, W., M. Guardo, J. Roy and J. Obeysekera. 1993. Hydrologic Network Design for a Constructed Wetland. Paper presented at the 1993 ASAE International Winter Meeting, Chicago, IL. December 14-17. Paper No. 93-2516.
91. Abtew, W. and J. Hardee. 1993. Design of a Lysimeter for a Wetland Environment: Evapotranspiration of Cattails (Typha domingensis). Paper presented at the 1993 ASAE International Winter Meeting, Chicago, IL. December 14-17. Paper No. 93-2553.
92. Abtew, W. and J. Obeysekera. 1992. Statistical Analysis of Drainage Generation from the Everglades Agricultural Area. Paper presented at the 1992 ASAE International Winter Meeting, Nashville, TN, December 15-18. Paper No. 92-2568.
93. 60. Abtew, W. and S. P. Sculley. 1991. Evapotranspiration Estimation Method for South Florida (The Everglades Agricultural Area). Paper presented at the 51st Annual Meeting of the Soil and Crop Science Society of Florida. Ramada Hotel, Orlando, FL. Sept. 25-27, 1991.
94. Abtew, W., K .L. Campbell, R.A. Nordstedt and K.C. Stone. 1990. Land Application of Dairy Wastewater/Runoff on High-Water-Table, Sandy Soil. Paper presented at the 1990 International Winter Meeting of the ASAE, Hyatt Regency, Chicago, December 18-21. Paper No. 90-2508.
95. Abtew, W., J. Borrelli and C. B. Fedler. 1988. Methodology for the Optimization of Storage Requirement and Water Management of the Slowrate Land Application System. Paper presented at the 1988 International Winter Meeting of the ASAE, Hyatt Regency, Chicago, December 13-16. Paper No. 88-2508.
96. Borrelli, J., J. M. Gregory and W. Abtew. 1987. Wind Barriers: A Reevaluation of Height, Spacing, and Porosity. Paper presented at the 1987 International Winter Meeting of the ASAE, Hyatt Regency, Chicago, December 1987. Paper No. 87-2031.
97. Abtew, W., J. M. Gregory and J. Borrelli. 1986. Wind Profile: Estimation of Displacement Height and Aerodynamic Roughness. Paper presented at the 1986 International Winter Meeting of the ASAE, Hyatt Regency, Chicago, December 1986. Paper No. 86-2529.
Manuals and Major Reports
98. Abtew, W. and T. Piccone. 2018. A-1 Flow Equalization Basin seepage study. Technical Publication WR-2018-002. South Florida Water Management District, West Palm Beach, FL.
99. Abtew, W. and C. Qiu. 2019. Appendix 2-2: Hurricane Irma, September 8-11, 2017, impact on south Florida water management system. In: 2019 South Florida Environmental Report. South Florida Water Management District, West Palm Beach, FL
100. Abtew, W., C. Qiu and V. Ciuca. 2019. Chapter 2: South Florida Hydrology and Water Management. In: 2019 South Florida Environmental Report. South Florida Water Management District, West Palm Beach, FL.
101. Abtew, W. and V. Ciuca. 2018. Chapter 2: South Florida Hydrology and Water Management. In: 2018 South Florida Environmental Report. South Florida Water Management District, West Palm Beach, FL.
102. Abtew, W. and V. Ciuca. 2017. Chapter 2: South Florida Hydrology and Water Management. In 2017 South Florida Environmental Report. South Florida Water Management District, West Palm Beach, FL.
103. Abtew, W. and V. Ciuca. 2016. Chapter 2: South Florida Hydrology and Water Management. G. Redfield (ed.). 2016 South Florida Environmental Report. South Florida Water Management District, West Palm Beach, FL. http://www.sfwmd.gov/portal/page/portal/xweb%20about%20us/agency%20reports
104. Abtew, W. and V. Ciuca. 2015. Chapter 2: South Florida Hydrology and Water Management. G. Redfield (ed.). 2015 South Florida Environmental Report. South Florida Water Management District, West Palm Beach, FL.
105. Abtew, W. and V. Ciuca. 2014. Chapter 2: South Florida Hydrology and Water Management. G. Redfield (ed.). 2014 South Florida Environmental Report. South Florida Water Management District, West Palm Beach, FL.
106. Polatel C, W. Abtew, S. Krupa and T. Piccone. 2014. Stormwater Treatment Area Water and Phosphorus Budget Improvements. Phase I: STA-3/4 Cells 3A and 3B Water Budgets. Technical Publication WR-2014-004. South Florida Water Management District, West Palm Beach, FL.
107. Abtew, W. L. Cadavid and V. Ciuca. 2013. Chapter 2: South Florida Hydrology and Water Management. G. Redfield (ed.). 2013 South Florida Environmental Report. South Florida Water Management District, West Palm Beach, FL.
108. Abtew, W., C. Pathak and V. Ciuca. 2012. Chapter 2: Regional Hydrology. G. Redfield (ed.). 2012 South Florida Environmental Report. South Florida Water Management District, West Palm Beach, FL.
109. Abtew, W., R.S. Huebner, C. Pathak and V. Ciuca. 2011. Chapter 2: Hydrology of the South Florida Environment. G. Redfield (ed.). 2011 South Florida Environmental Report. South Florida Water Management District, West Palm Beach, FL.
110. Abtew, W., R.S. Huebner, C. Pathak and V. Ciuca. 2010. Chapter 2: Hydrology of the South Florida Environment. G. Redfield (ed.). 2010 South Florida Environmental Report. South Florida Water Management District, West Palm Beach, FL.
111. Abtew, W., R.S. Huebner, C. Pathak and V. Ciuca. 2009. Chapter 2: Hydrology of the South Florida Environment. G. Redfield (ed.). 2009 South Florida Environmental Report. South Florida Water Management District, West Palm Beach, FL.
112. Abtew, W., R.S. Huebner, C. Pathak and V. Ciuca. 2008. Chapter 2: Hydrology of the South Florida Environment. G. Redfield (ed.). 2008 South Florida Environmental Report. South Florida Water Management District, West Palm Beach, FL.
113. Abtew, W., R.S. Huebner, C. Pathak and V. Ciuca. 2007. Chapter 2: Hydrology of the South Florida Environment. G. Redfield (ed.). 2007 South Florida Environmental Report. South Florida Water Management District, West Palm Beach, FL.
114. Abtew, W., R.S. Huebner and V. Ciuca. 2006. Chapter 5: Hydrology of the South Florida Environment. G. Redfield (ed.). 2006 South Florida Environmental Report. South Florida Water Management District, West Palm Beach, FL.
115. Abtew, W., R.S. Huebner and V. Ciuca. 2005. Chapter 5: Hydrology of the South Florida Environment. G. Redfield (ed.). 2005 South Florida Environmental Report. South Florida Water Management District, West Palm Beach, FL.
116. Abtew, W., R.S. Huebner and V. Ciuca. 2004. Chapter 5: Hydrology of the Everglades Protection Area. G. Redfield (ed.). 2004 Everglades Consolidated Report. South Florida Water Management District, West Palm Beach, FL.
117. Abtew, W., R. S. Huebner and S. Sunderland. 2002. Part I: Hydrological Analysis. The 2000-2001 Drought in South Florida. Publication # EMA-405. South Florida Water Management District, West Palm Beach, FL. 100 pages.
118. Redfield, G., W. Abtew, B. Ross, N. Duerr and D. Powell. 2002. Chapter I: Introduction and Overview. Part II: Water Management. The 2000-2001 Drought in South Florida. South Florida Water Management District, West Palm Beach, FL (CD).
119. Crowell, M.L and N. D. Mtundu (Eds.). 2000. Guidelines for Quality Control and Quality Assurance of Hydrologic and Meteorologic Data. Volume 2: Data Management. (Contributing author, W. Abtew). Prepared by the St. John's, South Florida, Southwest Florida and Suwannee River Water Management Districts. 178 pages.
120. Ali, A. and W. Abtew. 1999. Regional Rainfall Frequency Analysis for Central and South Florida. Technical Publication, WRE # 380. South Florida Water Management District, West Palm Beach, FL. 108 pages.
121. Abtew, W. 2007. Water Budget Analysis for Stormwater Treatment Area 3/4 (October 1, 2003 to April 30, 2006). Technical Publication ERA # 462. South Florida Water Management District, West Palm Beach, FL.
122. Abtew, W. 2007. Water Budget Analysis for Stormwater Treatment Area 1 East (May 1, 2005 to April 30, 2006 with data presented since startup in September 2004). Technical Publication ERA # 455. South Florida Water Management District, West Palm Beach, FL.
123. Abtew, W. 2007. Water Budget Analysis for Stormwater Treatment Area 1 West (May 1, 2005 to April 30, 2006). Technical Publication ERA # 448. South Florida Water Management District, West Palm Beach, FL.
124. Fister, A. and W. Abtew. 2006. The 2004 & 2005 Hurricanes Impact on Groundwater Levels in South Florida. Technical Notes. ERA # 441. South Florida Water Management District, West Palm Beach, FL.
125. Abtew, W., R. S. Huebner, V. Ciuca and E. Swartz. 2006. The 2005 Hurricane Season in South Florida. Technical Publication ERA # 439. South Florida Water Management District, West Palm Beach, FL.
126. Abtew, W. 2005. Water Budget Analysis for Stormwater Treatment Area 1 West (May 1, 2004 to April 30, 2005). Technical Publication ERA # 434. South Florida Water Management District, West Palm Beach, FL.
127. Abtew, W. 2004. Water Budget Analysis for Stormwater Treatment Area 1 West (May 1, 2003 to April 30, 2004). Technical Publication ERA # 420. South Florida Water Management District, West Palm Beach, FL.
128. Abtew, W. and A. Reardon. 2003. Water Budget Analysis for Stormwater Treatment Area 1 West (May 1, 2002 to April 30, 2003). Technical Publication EMA # 411. South Florida Water Management District, West Palm Beach, FL.
129. Abtew, W. and B. Powell. 2003. Cost-effective Water Quality Sampling Scheme for Variable Flow Canals at Remote Sites. Technical Publication EMA # 409. South Florida Water Management District, West Palm Beach, FL.
130. Abtew, W., M. Imru and J.H. Raymond. 2002. Water Budget Analysis for Stormwater Treatment Area 1 West (July 1, 2001 to June 30, 2002).” Technical Publication EMA # 406. South Florida Water Management District, West Palm Beach, FL. 31 pages.
131. Reardon, A. and W. Abtew. 2002. Evapotranspiration Estimation for South Florida-Documentation for Program ET_SF. Hydro Information Systems and Assessment Division. South Florida Water Management District, West Palm Beach, FL.
132. Abtew, W., J. H. Raymond and M. Imru. 2001. Water Budget Analysis for Stormwater Treatment Area 1 West (July 1, 2000 to June 30, 2001). Technical Publication EMA # 398. South Florida Water Management District, West Palm Beach, FL. 35 pages.
133. Abtew, W. and R. S. Huebner. 2001. Droughts and Water Shortages in Central and South Florida. Technical Paper EMA # 396. South Florida Water Management District, West Palm Beach, FL.
134. Abtew, W., J. H. Raymond and M. Imru. 2000. Water Budget Analysis for the Everglades Nutrient Removal Project and Stormwater Treatment Area 1 West (August 20, 1998 to June 30, 2000). Technical Publication EMA # 388. South Florida Water Management District, West Palm Beach, FL. 63 pages.
135. Abtew, W. and R. S. Huebner. 2000. Hydrologic Condition of Lake Okeechobee (November 1, 1999 to June 30, 2000). Technical Note EMA # 387. South Florida Water Management District, West Palm Beach, FL. 55 pages.
136. A. Ali and W. Abtew. 1999. Rainfall Estimation at S-44 Site (January 2nd, 3rd, and 17th, 1999 Events). Technical Notes EMA # 389. Hydrologic Reporting Unit. South Florida Water Management District, West Palm Beach, FL.
137. Abtew, W. 1999. Evaporation Estimation for Lake Okeechobee in South Florida. Technical Publication, WRE # 376. South Florida Water Management District, West Palm Beach, FL. 24 pages.
138. Ali, A., W. Abtew, S. Van Horn and N. Khanal. 1999. Frequency and Spatial Analyses for Monthly Rainfall in Central and South Florida. Technical Publication, WRE # 371. South Florida Water Management District, West Palm Beach, FL. 184 pages.
139. Abtew, W. and D. Downey. 1998. Water Budget Analysis for the Everglades Nutrient Removal Project (August 20, 1997 to August 19, 1998). Technical Memorandum WRE # 368. South Florida Water Management District. West Palm Beach, FL. 26 pages.
140. Abtew, W. and V. Mullen. 1997. Water Budget Analysis for the Everglades Nutrient Removal Project (August 20, 1996 to August 19, 1997). Technical Memorandum WRE # 354. South Florida Water Management District. West Palm Beach, FL. 22 pages.
141. Abtew, W. 1997. Everglades Nutrient Removal Project (ENR) Daily Rainfall (October 1996 to April 1997). Report. Resource Assessment Division. South Florida Water Management District. 12 pages.
142. Abtew, W. 1996. Frequency Analysis of Daily Point Rainfall in South Florida and Synthetic Data Generation. DOR Paper No. 235. South Florida Water Management District. West Palm Beach, FL.
143. Guardo, M., W. Abtew, L. Fink and A. Cadogan. 1996. Water Budget Analysis for the Everglades Nutrient Removal Project (August 19, 1994 to August 19, 1996). Technical Memorandum WRE # 347. South Florida Water Management District. West Palm Beach, FL. 33 pages.
144. Abtew, W. 1995. Evaluation of Vapor Pressure Calculation Methods-South Florida. DOR Paper No. 225. South Florida Water Management District, West Palm Beach, FL.
145. Abtew, W. 1992. An Atlas of the Lower Kissimmee River and Lake Istokpoga Surface Water Management Basins. Technical Memorandum DRE-313. South Florida Water Management District. West Palm Beach, FL. April 1992. 104 pages.
Technical Reports
146. Walther, S. and W. Abtew. 2006. Contribution of Rainfall from Tropical Systems in South Florida. Technical Notes. Environmental Resource Assessment Department. South Florida Water Management District, West Palm Beach, FL.
147. Abtew, W. and N. Iricanin. 2005. Preliminary Water Budget Analysis for Lake Istokpoga. Report. Environmental Resource Assessment Department. South Florida Water Management District, West Palm Beach, FL.
148. Abtew, W. 2005. Hydrologic Mass Balance Analysis for Storm Water Treatment Area 1 West Inflow Basin and Flow Data Estimation for G301 Spillway (November 2, 1999 to September 30, 2004). Technical Notes. Environmental Resource Assessment Department. South Florida Water Management District, West Palm Beach, FL.
149. Water Shortage Conditions Report. 2000-2001. Environmental Monitoring and Assessment Department. South Florida Water Management District, West Palm Beach, FL. Monthly Report (December 2000 to September 2001). (S. Huebner, C. Pathak, W. Abtew, et al.).
150. Brighton Seminole Indian Reservation Hydrologic and Water Quality Synopsis. Environmental Monitoring and Assessment Division. South Florida Water Management District. June 2000. 48 pages (T. Bechtel, W. Abtew, S. Huebner and C. Mo).
151. Abtew, W. 1996. Research and Monitoring Program to Evaluate the Effectiveness of BMPs in improving Water Quality. Project RAM-02. South Florida Water Management District, West Palm Beach, FL. 22 pages.
152. Chen, Z., W. Abtew, T. D. Fontaine and G. Goforth. 1996. Evaluation of Phosphorus Removal Strategies for Everglades Agricultural Area Drainage Waters. Everglades Systems Research Division. Department of Research. South Florida Water Management District, West Palm Beach, FL.
153. Abtew, W. and A. Cadogan. 1995. Everglades Nutrient Removal Project (ENR). Daily Rainfall (1994-1995). Report, September 1995. South Florida Water Management District, West Palm Beach, FL.
154. Research Implementation Plan: Evaluate Effectiveness of BMPS. Everglades Systems Research Division. Department of Research. February,
155. 1994. South Florida Water Management District, West Palm Beach, FL. (prepared by W. Abtew).
156. Guardo, M. and W. Abtew. 1994. Seepage/Leakage Investigations of the Everglades Nutrient Removal Test Cells. Report. February 1994. Everglades Systems Research Division. South Florida Water Management District.
157. Van Zee, R. and W. Abtew. 1993. Daily Areal Rainfall Interpolation for the South Florida Water Management and Natural Systems Model Area. Report and database. Everglades Systems Research Division, Department of Research. South Florida Water Management District, West Palm Beach, FL.
158. Abtew, W. and N. Khanal. 1992. Water Budget Analysis for the Holey Land (March 1991 to March 1992). Report. May 1992. South Florida Water Management District, West Palm Beach, FL.
159. Storm Event of January 15-17, 1991. Report DRE-297. March 1991. South Florida Water Management District. West Palm Beach, FL. (collectively written with others; DRE/O&M/Regulation).
160. Campbell, K.L. and W. Abtew. 1991. Biogeochemical Behavior and Transport of Phosphorus in the Lake Okeechobee Basin: Evaluation of Selected Management Practices. Contract deliverable 2.2.4. Annual Report. January 10, 1991. Department of Agricultural Engineering. University of Florida. Gainesville. FL.Melesse A.M., Abtew, W. and Moges, S. (eds.). 2021. Nile and Grand Ethiopian Renaissance Dam: Past, Present and Future. Springer, New York (https://www.springer.com/gp/book/9783030764364)
2. Melesse A.M., Abtew, W. and G. Senay (eds.). 2019. Extreme hydrology and climate variability: monitoring, modeling, adaptation and mitigation. Elsevier (https://www.elsevier.com/books/extreme-hydrology-and-climate-variability/melesse/978-0-12-815998-9).
3. Abtew, W, Dessu S. 2018. The Grand Ethiopian Renaissance Dam on the Blue Nile River: Springer (https://www.springer.com/la/book/9783319970936)
4. Melesse, A. and W. Abtew (eds.). 2016. Landscape Dynamics, Soil and Hydrological Processes in Varied Climates, Springer, New York. https://www.springer.com/us/book/9783319187860
5. Melesse, A., W. Abtew and S. Setegn (eds.). 2014. Nile River Basin: Ecohydrological Challenges, Climate Change and Hydropolitics, Springer, New York, ISBN 978-3-319-02719-7. eBook: http://dx.doi.org/10.1007/978-3-319-02720-3
6. Abtew, W. and A. Melesse. 2013. Evaporation and Evapotranspiration: Measurements and Estimations. Springer, New York, ISBN 978-94-007-4736-4. eBook: https://www.springer.com/gp/book/9789400747364
7. Abtew, W. and A.M. Melesse (eds.). 2008. Proceedings of the 2008 Workshop on Hydrology and Ecology of the Nile River Basin under Extreme Climatic Conditions. Aardvark Global Publishing, Salt Lake City, UT, ISBN 978-1-4276-3150-3, 378p. https://www.researchgate.net/publication/237075196_Proceedings_of_the_Nile_Workshop_on_the_hydrology_and_ecology_of_the_Nile_River_under_extreme_conditions
Book Chapters
8. Moges, S.A., W. Abtew, A.M. Melesse. 2021. Chapter 1: Introduction. In: Melesse A.M., Abtew, W. and Moges, S.A. (eds.). 2021. Nile River Basin and Grand Ethiopian Renaissance Dam: Past, Present and Future. Springer, New York
9. Abtew, W. 2021. Chapter 14: The Grand Ethiopian Renaissance Dam: Evaluation of Filling and Operation Plans and Negotiations. In: Melesse A.M., Abtew, W. and Moges, S.A. (eds.). 2021. Nile River Basin and Grand Ethiopian Renaissance Dam: Past, Present and Future. Springer, New York
10. Abtew, W., S.A. Moges, M. Meles, M. Imru. 2021. Chapter 16: River Flow Monitoring and Data Quality for Equitable Nile Water Sharing. In: Melesse A.M., Abtew, W. and Moges, S.A. (eds.). 2021. Nile River Basin and Grand Ethiopian Renaissance Dam: Past, Present and Future. Springer, New York
11. Abtew, W. 2019. Chapter 28: Hurricanes: wind, rain and storm surge. In: Melesse A., W. Abtew and G. Senay (eds.). Extreme hydrology and climate variability: monitoring, modeling, adaptation and mitigation, Elsevier.
12. Abiy, A.Z., A.M. Melesse, W.M. Seyoum and W. Abtew. 2019. Chapter 22: Drought and climate teleconnection and drought monitoring. In: Melesse A., W. Abtew and G. Senay (eds.). Extreme hydrology and climate variability: monitoring, modeling, adaptation and mitigation, Elsevier.
13. Melesse, A. and W. Abtew. 2016. Chapter 1: Introduction: In: Melesse A. and W. Abtew (eds.). Landscape Dynamics, Soil and Hydrological Processes in Varied Climates, Springer.
14. Abtew, W and A. Melesse. 2016. Chapter 3: Landscape Impact on Regional Hydrology and Climate. In: Melesse A. and W. Abtew (eds.). Landscape Dynamics, Soil and Hydrological Processes in Varied Climates, Springer, New York.
15. Abtew, W., T. Piccone, K. Pietro and S.K. Xue. 2016. Hydrologic and Treatment Performance of Constructed Wetlands: The Everglades Stormwater Treatment Areas. In: C. M. Finlayson, M. et al. (eds.). The Wetland Book. Springer, New York. DOI 10.1007/978-94-007-6172-8_62-2
16. Melesse, A., Abtew, W. and Setegn, S. 2014. Chapter 1: Introduction: A Scarce and Shared Resource: Hydrologic Threats, Trends and Challenges in the Nile River Basin. In: Melesse, A., Abtew, W. and Setegn, S (eds.). Nile River Basin: Ecohydrological Challenges, Climate Change and Hydropolitics, Springer, New York.
17. Abtew, W and A. Melesse. 2014. Chapter 2: The Nile River Basin. In: Melesse, A., Abtew, W. and Setegn, S (eds.). Nile River Basin: Ecohydrological Challenges, Climate Change and Hydropolitics, Springer, New York.
18. Abtew, W. 2014. Chapter 7: Land and Water in the Nile Basin. In: Melesse, A., Abtew, W. and Setegn, S (eds.). Nile River Basin: Ecohydrological Challenges, Climate Change and Hydropolitics, Springer, New York.
19. Abtew, W and A. Melesse. 2014. Chapter 28: Transboundary Rivers and the Nile. In: Melesse, A., Abtew, W. and Setegn, S (eds.). Nile River Basin: Ecohydrological Challenges, Climate Change and Hydropolitics, Springer, New York.
20. Abtew, W and A. Melesse. 2014. Chapter 33: Climate Teleconnections and Water Management. In: Melesse, A., Abtew, W. and Setegn, S (eds.). Nile River Basin: Ecohydrological Challenges, Climate Change and Hydropolitics, Springer, New York.
21. Melesse, A., Abtew, W., Setegn, S., Dessalegne, T.. 2011. Chapter 1: Hydrological Variability and Climate of the Upper Blue Nile River Basin. In: Melesse, A. (ed.) Nile River Basin: Hydrology, Climate and Water Use. Springer, New York.
Peer-reviewed Articles
22. Abiy, Z.A., A. M. Melesse and W. Abtew. 2019. Teleconnection of regional drought to ENSO, PDO, and AMO: Southern Florida and the Everglades. Atmosphere 2019, 10(6), 295; https://doi.org/10.3390/atmos10060295
23. Abiy, Z.A., A. M. Melesse, W. Abtew and D. Whitman. 2019. Rainfall trend and variability in Southeast Florida: Implications for freshwater availability in the Everglades. PLOS ONE 14(2):e0212008. https://doi.org/10.1371/journal.pone.0212008
24. Abtew, W., J. Obeysekera and N. Iricanin. 2011. Pan Evaporation and Potential Evapotranspiration Trends in South Florida. Hydrological Processes. 25:958-969. DOI:10.1002hyp.7887.
25. Abtew, W. and P. Trimble. 2010. El Niño Southern Oscillation Link to South Florida Hydrology and Water Management Applications. Water Resources Management, 24(5):4255-4271, DOI:10.1007/s11269-010-9656-2.
26. Melesse, A., W. Abtew and T. Dessalegne. 2009. Evaporation Estimation of Rift Valley Lakes: Comparison of Models. Sensors Journal 9:9603-9615; DOI:10.3390/s91209603.
27. Abtew, W., A. Melesse and T. Dessalegne. 2009. Spatial, Inte
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