Abstracts

(Student: [*]; Postdoc: [**]; Presenter: [©])

  1. Omar*, A., Ahmed, M., 2023, Mapping shallow groundwater discharge locations in arid areas using ECOSTRESS Land Surface Temperature data: Case study for the Western Desert, Egypt: American Geophysical Union (AGU), San Francisco, CA, Dec. 2023.
  2. Eshalkany*, M., Ahmed, M., 2023, Mapping Optimal Recharge and Extraction Locations for Groundwater Resources in Southern Sinai, Egypt: Modelling and Geophysical Constraints: American Geophysical Union (AGU), San Francisco, CA, Dec. 2023.
  3. Gebremichael, E., Hernandez*, R., Alsleben, H., Ahmed, M., Denne, R., Harvey, O., 2023, Kinematics and Controlling Factors of Slow-Moving Landslide Processes in Central Texas: A Multi-Source Data Fusion Approach: American Geophysical Union (AGU), San Francisco, CA, Dec. 2023.
  4. Bygate*, M., Ahmed, M., 2023, Using Landsat 8 to Map Water Quality Indicators from Space: A Machine Learning Approach: American Geophysical Union (AGU), San Francisco, CA, Dec. 2023.
  5. Mousa*, M., Ahmed, M., 2023, Characterizing Depth to the Bedrock and Subsurface Structures using the Passive Seismic Horizontal-to-Vertical Spectral Ratio (HVSR): A Case study from the El Qaa Plain, Sinai, Egypt: American Geophysical Union (AGU), San Francisco, CA, Dec. 2023.
  6. Abdelrehim*, R., Ahmed, M., 2023, Factors Controlling Barrier Island Geomorphology: Insights From Electromagnetic Surveys: American Geophysical Union (AGU), San Francisco, CA, Dec. 2023.
  7. Mousa*, M., Ahmed, M., 2023, Towards the Assessment of Passive Seismic Horizontal-to-Vertical Spectral Ratio (HVSR) Surveying for Bedrock Depth Estimation in Texas: International Conference on Engineering Geophysics (ICEG2023), Al Ain, UAE, Oct. 2023.
  8. Shehata**, A., Ahmed, M., Kassem, A., 2023, Predicting horizontal permeability in siliciclastic-dominated reservoirs using an automated machine learning approach: International Meeting for Applied Geoscience & Energy (IMAGE), Houston, TX, Aug. 2023.
  9. Omar*, A., Ahmed, M., Murgulet, D., 2023, An innovative approach for mapping growth fault systems by using thermal remote sensing data: A case study from Corpus Christi Bay, Texas: International Meeting for Applied Geoscience & Energy (IMAGE), Houston, TX, Aug. 2023.
  10. Mousa*, M., Ahmed, M., 2023, Passive Seismic and Gravity Surveys for Mapping Bedrock and Growth Faults in Texas: International Meeting for Applied Geoscience & Energy (IMAGE), Houston, TX, Aug. 2023.
  11. Abdelrehim*, R., Ahmed, M., 2023, Subsurface controls on Padre Island dune morphology: Constraints from time domain and frequency domain electromagnetic techniques: International Meeting for Applied Geoscience & Energy (IMAGE), Houston, TX, Aug. 2023.
  12. Ahmed©, M., Elshalkany*, M., Sauck, W., Abouelmagd, A., Mansour, S., El-Nekhiely, I., Abdelfattah, M., 2023, Integration of Geophysical Techniques for Groundwater Exploration in Basement Terrains: A Case Study from Southern Sinai, Egypt: International Meeting for Applied Geoscience & Energy (IMAGE), Houston, TX, Aug. 2023.
  13. Ahmed©, M., Abelrehim*, R, Elshalkany*, M., Abdrabou*, M., 2023, Impacts of the Grand Ethiopian Renaissance Dam’s filling strategy on Ethiopia, Sudan, and Egypt: American Geophysical Union (AGU) Chapman, Washington, DC, Jun. 2023.
  14. Abdelrehim*, R., Ahmed, M., 2023, Assessing the vulnerability of Texas coastal watersheds to climate change and human interventions: Symposium on the Application of Geophysics to Engineering and Environmental Problems (SAGEEP), New Orleans, LA, April. 2023.
  15. Ahmed©, M., 2022, Impacts of the Grand Ethiopian Renaissance Dam’s filling strategy on Ethiopia, Sudan, and Egypt: AGU, Chicago, IL, Dec. 2022.
  16. Gyawali*, B., Ahmed, M., 2022, Response of Global Aquifers to Climate Changes: American Geophysical Union (AGU), Chicago, IL, Dec. 2022.
  17. Darge*, Y., Gebremichael, E., Ahmed, M., 2022, Sinkhole Detection and Characterization in West-central Texas using InSAR Time Series and Electrical Resistivity Tomography: American Geophysical Union (AGU), Chicago, IL, Dec. 2022.
  18. Bygate*, M., Ahmed, M., 2022, Mapping water quality indicators from space: A case study from Matagorda Bay in Texas: American Geophysical Union (AGU), Chicago, IL, Dec. 2022.
  19. Abdelrehim*, R., Ahmed, M., 2022, Modeling runoff, nutrient, and sediment inputs into Baffin Bay, Texas: American Geophysical Union (AGU), Chicago, IL, Dec. 2022.
  20. Beattie*, A., Ahmed, M., Chu, T., Gebremichael, E., 2022, Quantifying Land Subsidence in Coastal Texas using Radar Interferometry: American Geophysical Union (AGU), Chicago, IL, Dec. 2022.
  21. Fallatah, O., Ahmed, M., Gyawali, B., Alhawsawi, A., 2022, Factors Controlling Groundwater Radioactivity in Arid Environments: An Automated Machine Learning Approach: American Geophysical Union (AGU), Chicago, IL, Dec. 2022.
  22. Qiao*, X., Chu, T., Tissot, P., Ahmed, M., Ali, I., Louis, J., 2022, Spatiotemporal processes of land subsidence along the Texas coastline estimated with satellite geodetic techniques of InSAR and GNSS: American Geophysical Union (AGU), Chicago, IL, Dec. 2022.
  23. Elshalkany*, M., Ahmed©, M., Abouelmagd, A., 2022, Groundwater resources in Sinai’s basement terrains: Optimal recharge and extraction locations: International Meeting for Applied Geoscience & Energy (IMAGE), Houston, TX, Sept. 2022.
  24. Beattie*, A., Ahmed, M., Haley*, M., Rizzo, J., 2022, Quantifying land subsidence in the Coastal Bend of Texas using temporal gravity measurements: Symposium on the Application of Geophysics to Engineering and Environmental Problems (SAGEEP), Denver, CO, March 2022.
  25. Ahmed©, M., Constructing a geophysical test site for research and education activities: Lessons learned and preliminary results, Symposium on the Application of Geophysics to Engineering and Environmental Problems (SAGEEP), Denver, CO, March 2022.
  26. Ahmed©, M., Beattie*, A., Haley, M., 2022, Quantifying Land Subsidence in Coastal Texas Using Geophysical and Remote Sensing Observations: GSA, Macallan, TX, March 2022.
  27. Beattie*, A., Ahmed, M., Rizzo, J., 2021, Using Temporal Gravity Measurements to Quantify Land Subsidence in the Coastal Bend of Texas: AGU, New Orleans, LA, Dec. 2021.
  28. Ilhan*, I., Ahmed, M., Somay-Altas, M., Fawzy, D., 2021, Forecasting Groundwater Levels using Nonlinear Autoregressive Networks with Exogenous Input Models: A Case Study from Lake Tuz and Beysehir Lake, Turkey: AGU, New Orleans, LA, Dec. 2021.
  29. Gyawali*, B., Ahmed©, M., Murgulet, D., Wiese, D., 2021, Integrated Approach for Filling Temporal Gaps Within and Between GRACE and GRACE-FO Terrestrial Water Storage Records: AGU, New Orleans, LA, Dec. 2021.
  30. Penchala*, T., Ahmed, M., 2021, Contamination Risk of Abandoned Wells in The Gulf Coast Aquifer System, Texas: AGU, New Orleans, LA, Dec. 2021.
  31. Hernandez*, R., Gebermichael, E., Alsleben, H., Ahmed, M., 2021, Mapping Landslide Susceptibility and Ground Displacement Assessment of Austin City and Surroundings: AGU, New Orleans, LA, Dec. 2021.
  32. Ahmed©, M., Benevides*, A., Kamara, A., 2021, Environmental and Economic Impact of the Grand Ethiopian Renaissance Dam in Africa: AGU, New Orleans, LA, Dec. 2021.
  33. Ahmed©, M., Aqnouy, M., Elmessari, J., Sustainability of Morocco’s Groundwater Resources in Response to Natural and Anthropogenic Forces: AGU, New Orleans, LA, Dec. 2021.
  34. Haley*, M., Ahmed, M., Gebermichael, E, Murgulet, D., Starek, M., 2021, Locations, Rates, Triggers, and Consequences of Land Subsidence in Coastal Texas: AGU, New Orleans, LA, Dec. 2021.
  35. Ahmed, M., 2021, Sustainable management scenarios for northern Africa’s aquifer systems, The Third International Symposium Water Resources and Environmental Impact Assessment in North Africa (WREIANA), Sousse, Tunisia, Oct. 2021.
  36. Beattie*, A., Ahmed, M., Haley*, M., Rizzo, J., 2021, Quantifying land subsidence in the Coastal Bend of Texas using temporal gravity measurements: Society of Exploration Geophysicists (SEG), Denver, CO, Sep. 2021.
  37. Ahmed©, M., Haley*, M., Gebermichael, E, Murgulet, D., Starek, M., 2021, Land Subsidence in Costal Texas: Locations, Rates, Triggers, and Consequences: GSA, Portland, OR, Oct. 2021.
  38. Ahmed©, M., Colmnero*, D., 2020, Subsurface controls on the responses of barrier islands to natural interventions: Symposium on the Application of Geophysics to Engineering and Environmental Problems (SAGEEP), online, Mar. 2021.
  39. Ahmed©, M., Gyawali*, B., Wiese, D., 2020, Applications of Data‐Driven Techniques in Filling Temporal Gaps Within and Between GRACE and GRACE-FO Records: GRACE Science Team Meeting (GSTM), online, October. 2020.
  40. Ahmed©, M., Wiese, D., Ilhan*, I., Gyawali*, B., Fawzy, D., Arslan, G., Altas, M., 2020, Filling Temporal Gaps Within and Between GRACE and GRACE-FO Records: Advances, Challenges, and Future Opportunities: AGU, online, Dec. 2020.
  41. Turner*, R, Ahmed, M., Bissell, R., 2020, Investigating Effects of Fault Geometry on Gas Reservoirs: A Case Study from La Rucia Field, Brooks County, Texas: GSA, online, Oct. 2020.
  42. Penchala*, T., Ahmed, M., 2020, Modelling the Impact of Abandoned Wells on the Gulf Coast Aquifer System in Texas: AGU, online, Dec. 2020.
  43. Colmenero*, D., Ahmed, M., 2020, Subsurface Geologic Controls on the Dune Morphology in Barrier Islands: AGU, online, Dec. 2020.
  44. Chen**, Y., Ahmed, M., 2020, Reservoir-Induced Crustal Deformation: Case Study from the Grand Ethiopian Renaissance Dam: AGU, online, Dec. 2020
  45. Haley*, M., Ahmed, M., Quantifying Land Subsidence Along the South Texas Coast using Radar Interferometric Techniques: AGU, online, Dec. 2020
  46. Haley*, M., Ahmed, M., 2020, Mapping land subsidence along the coastal bend of Texas using radar interferometric techniques: GSA (South-Central Section), Fort Worth, TX, Mar. 2020.
  47. Akanda, A., Fallatah, O., Ahmed, M., Cardace, D., Boving, T., 2019, Integrated groundwater quantity and quality monitoring for sustainable management paths in the Arabian Peninsula: AGU, San Francisco, CA, Dec. 2019.
  48. Turner*, R., Ahmed, M., 2019, Structural and stratigraphic controls on reservoir quality and distribution of the Oligocene Vicksburg formation, Brooks County, Texas: AGU, San Francisco, CA, Dec. 2019.
  49. Ahmed©, M., Gyawali*, B., Sultan, M., 2019, Bridging gravity field observations across GRACE and GRACE-FO missions over Africa: AGU, San Francisco, CA, Dec. 2019.
  50. Sultan, M., Abdelmohsen*, K., Elkaliouby, B., Abdellatif, B., Emil*, M., Ahmed, M., Save, H., Farag*, A., Al-Dousari, A., Abdelmalik, K., 2019, Use of GRACE solutions for a better understanding of aquifer recharge sources, connectivity, groundwater flow, sustainability, and response to climate variability: AGU, San Francisco, CA, Dec. 2019.
  51. Gyawali*, B., Murgulet, D., Ahmed, M., 2019, Quantifying change in groundwater storage in the coastal region of Texas: AGU, San Francisco, CA, Dec. 2019.
  52. Colmenero*, D., Ahmed, M., Zavala, L., 2019, Subsurface characterization of Padre Island using Ground Penetrating Radar (GPR) and Electrical Resistivity Imaging (ERI): Society of Exploration Geophysicists (SEG), San Antonio, TX, Sep. 2019. https://doi.org/10.1190/segam2019-3215001.1
  53. Ahmed©, M., Sultan, M., Elbayoumi, T., 2018, Gap-Filling between GRACE and GRACE-FO missions over Africa: AGU, Washington, DC, Dec. 2018.
  54. Sultan, M., Abdelmohsen*, K., Emil*, M., Elkalioby, B., Save, H., Ahmed, M., Abdelmlik, K., 2018, Fast Aquifer Response: GRACE, Geophysical, and Geochemical Evidence: AGU, Washington, DC, Dec. 2018.
  55. Abdelmohsen*, K., Sultan, M., Save, H., Ahmed, M., Emil*, M., 2018, Use of geophysical, remote sensing, and field data to investigate the nature of groundwater flow regimes in large aquifers: The Nubian Sandstone Aquifer System (NSAS) of NE Africa: GSA, Indianapolis, IN, Nov. 2018.
  56. Fathy*, K., Sultan, M., Ahmed, M., Save, H., Emil*, M., 2017, Structural Control and Groundwater Flow in the Nubian Aquifer: AGU, New Orleans, LA, Dec. 2017.
  57. Fallatah*, O., Ahmed M., Akanda, A., Boving, T., Cardace D., 2017, Quantifying Recent Recharge to the Saq Transboundary Aquifer System using an Integrated Geophysical, Geochemical, and Remote Sensing-based Approach: AGU, New Orleans, LA, Dec. 2017.
  58. Fathy*, K., Sultan, M., Ahmed, M., Yan, E., Save, H., Emil*, M., 2017, How do aquifers respond to wet and dry periods? Case study from the Nubian Sandstone Aquifer System (NSAS): GSA, Seattle, WA, Oct. 2017.
  59. Sultan, M., Fathy*, K., Emil*, M., Ahmed, M., Yan, E., Save, H., 2017, Remote sensing contributions to the assessment of aquifer’s structure, connectivity, pathways, impediments, discharge, and sustainability: GSA, Seattle, WA, Oct. 2017.
  60. Ahmed©, M., 2017, Monitoring temporal variations in Egypt’s surface and groundwater resources from space: Grand Ethiopian Renaissance Dam Workshop, Suez Canal University, Ismailia, Egypt, March, 2017.
  61. Fakhereldeen*, A., Ahmed, M., 2017, Quantifying the effects of the Grand Ethiopian Renaissance Dam on Egypt’s surface water resources: The 2nd Scientific Conference for Student Research, Faculty of Science, Suez Canal University, Ismailia, Egypt, March 2017.
  62. Abdelkereem*, M., Ahmed, M., 2017, Assessment and Sustainable Utilization of Egypt’s Groundwater Recourses: Constrains from Geophysical and Remote Sensing Data: The 2nd Scientific Conference for Student Research, Faculty of Science, Suez Canal University, Ismailia, Egypt, March 2017.
  63. Abdelhameed*, A., Ahmed, M., 2017, Monitoring Temporal Variations in the Nubian Aquifer’s Groundwater Resources from Space: The 2nd Scientific Conference for Student Research, Faculty of Science, Suez Canal University, Ismailia, Egypt, March 2017.
  64. Sultan, M., Ahmed, M., Fathy*, K., Bettadpur, S., Save, H., Chouinard*, K., 2016, What more can GRACE Solutions tells us about Aquifers and their Interactions with Artificial Lakes: GRACE Science Team Meeting (GSTM), GFZ, Potsdam, Germany, Oct. 2016.
  65. Ahmed©, M., Sultan, M., Save, H., 2016, Developing sustainable management scenarios for Saharan and Arabian aquifer systems using GRACE data: AGU, San Francisco, CA, Dec. 2016.
  66. Abdelmohsen*, K., Sultan M., Bettadpur, S., Save, H., Ahmed, M., Emil*, M., Zaki*, A., Zahran, K., Sabry, A., Sobhy, A., 2016, Integration of Satellite Gravity data with ground-based geophysical data for a better understanding of the structural control of groundwater flow in the Nubian Sandstone Aquifer System: AGU, San Francisco, CA, Dec. 2016.
  67. Pankratz*, H., Sultan, M., Abdelmohsen*, K., Mogren, S., Harbi, H., Sefry, S., Emil*, M., Elkadiri, R., Ahmed, M., Othman*, A., Chouinard*, K., 2016, Assessment of the Extent of Land Deformation Associated with Salt Domes within the Jazan City and Surroundings, Saudi Arabia: AGU, San Francisco, CA, Dec. 2016.
  68. Gebremicheal* E., Sultan, M., Becker, R., Bastwesy, M., Cherif, O., Emil*, M., Ahmed, M., Abdelmohsen*, K., Karki*, S., Chouinard*, K., 2016, Investigating the Origin of Natural and Anthropogenic Deformation across the Nile Delta Using Radar Interferometry, GRACE, Modeling, and Field data: AGU, San Francisco, CA, Dec. 2016.
  69. Sultan, M., Sturchio, N., Ahmed, M., Sefry, S., Mohamed, A., Emil*, M., Save, H., Abdelmohsen*, K., 2016, Assessment of the hydrologic setting and mass transport within Saharan and Arabian Aquifers using GRACE, geochemical, geophysical and subsurface data: AGU, San Francisco, CA, Dec. 2016.
  70. Ahmed©, M., Sultan, M., Elbayoumi, T., 2016, Projecting GRACE-derived Terrestrial Water Storage (TWS) Data over the African Watersheds, GSA, Denver, CO, Sep. 2016.
  71. Sultan, M., Ahmed, M., Sturchio, N., Sefry, S., Emil*, M., Abuabdullah, M., Othman*, A., 2016, A Geochemical, Geophysical, and Remote Sensing-based Approach for the Assessment of the Age, Origin, and Sustainable Utilization of Fossil Aquifers in Saharan Africa and Arabia, GSA, Denver, CO, Sep. 2016.
  72. Ahmed©, M., Sultan, M., 2015, Monitoring temporal variations in water resources across the Arabian Peninsula and identification of their controlling factors: AGU, San Francisco, CA, Dec. 2015.
  73. Mohamed*, L., Sultan, M., Ahmed©, M., Zaki*, A., 2015, Fault zone hydrogeology of crystalline and sedimentary aquifers in arid regions: The case Sinai Peninsula, Egypt: AGU, San Francisco, CA, Dec. 2015.
  74. Sultan, M., Becker, R., Gebremichael, E., Emil*, M., Ahmed, M., Elkaridi*, R., Pankratz*, H., Chouniard*, K., 2015, Applications of Radar Interferometric Techniques to Assess Natural Hazards and their Controlling Factors: AGU, San Francisco, CA, Dec. 2015.
  75. Emil*, M., Sultan, M., Zaki*, A., Aboelmaged, A., Ahmed, M., 2015, Timing and Nature of Wet Climatic Periods in North Africa and in the Arabian Peninsula: Inferences from Isotopic, Chronologic, and Remote sensing data: AGU, San Francisco, CA, Dec. 2015.
  76. Mohamed, A., Sultan, M., Yan, E., Ahmed, M., Sturchio, N., Ahmed, E., 2015, Towards a better understanding of the hydrologic setting of the Nubian Sandstone Aquifer System: Inferences from groundwater flow models, Cl-36 ages, and GRACE data: AGU, San Francisco, CA, Dec. 2015.
  77. Othman*, A., Sultan, M., Ahmed, M., Gebremichael*, E., Emil*, M., 2015, An integrated approach for the assessment of the natural and anthropogenic controls on land subsidence in the Kingdom of Saudi Arabia: AGU, San Francisco, CA, Dec. 2015.
  78. Gebremichael*, E., Sultan, M., Becker, R., Emil*, M., Ahmed, M., Chouniard*, K., 2015, Use of persistent scatterer interferometry to assess land deformation in the Nile Delta and its controlling factors: AGU, San Francisco, CA, Dec. 2015.
  79. Pankratz*, H., Sultan, M., Elkadiri*, R., Gebremichael*, E., Ahmed, M., Emil*, M., 2015, Assessment of land deformation in Jazan City, Saudi Arabia using radar interferometry: AGU, San Francisco, CA, Dec. 2015.
  80. Ahmed©, M., Sultan, M., Yan, E., 2015, Improving the Performance of Land Surface Models Over Varying Hydrologic and Climatic Settings Using GRACE and Remote Sensing Data:
    Advances and Limitations: GRACE Science Team Meeting (GSTM), Austin, TX, Sep. 2015.
  81. Sultan, M., Ahmed, M., Elbayoumi, T., 2015, Forecasting GRACE data over Africa: GRACE Science Team Meeting (GSTM), Austin, TX, Sep. 2015.
  82. Ahmed©, M., Sultan, M., Sauck, W., 2015, Quantifying the Volume of Water in the Red Sea and Gulf of Suez Rift-Related Basins using Gravity and Magnetic Data: AGU-SEG Workshop, Keystone, CO, August 2015.
  83. Ahmed©, M., Sultan, M., Yan, E., Wahr, J., 2015, Improving the performance of land surface models over Africa using GRACE and remote sensing data: 20th CESM Workshop, Breckenridge, CO, June 2015.
  84. Alharbi, T., Sultan, M., Ahmed©, M., 2015, Quantify the partitioning of precipitation over the Al-Madinah watershed, Saudi Arabia using SWAT model: 2015 SWAT Conference & Workshops, Sardinia, Italy, June 2015.
  85. Alharbi, T., Sultan, M., Ahmed, M., 2015, Impacts of climate changes over the Arabian Peninsula: AGU Chapman Conference, Santa Fe, NM, July 2015.
  86. Alharbi, T., Sultan, M., Ahmed, M., 2015, Modeling the partitioning of precipitation over the Almadinah watershed, Saudi Arabia: An integrated approach: AGU Joint Assembly, Montreal, Canada, May 2015.
  87. Sultan, M., Ahmed, M., 2015, Use of GRACE and land surface models to monitor water availability in Central Asia and surroundings: The 4thInternational Seminar on Human Being and Ecological Environment of Central Asia, China, Feb. 2015.
  88. Ahmed©, M., Sultan, M., Wahr, J., Mohamed, A., Yan, E., 2014, Quantifying recharge and depletion rates of the Nubian Sandstone Aquifer System: An integrated approach: GRACE Science Team Meeting, GFZ, Potsdam, Germany, Sept. – Oct. 2014.
  89. Sultan, M., Ahmed, M., Wahr, J., Yan, E., 2014, Assessing the performance of land surface models over Africa using GRACE and remote sensing data: GRACE Science Team Meeting (GSTM), GFZ, Potsdam, Germany, Sept. – Oct. 2014.
  90. Ahmed©, M., Sultan, M., Wahr, J., Yan, E., 2014, Evaluating the Performance of Land Surface Models Using GRACE Data over Africa: GSA, Vancouver, BC, Oct. 2014.
  91. Ahmed©, M., Sultan, M., Wahr, J., Yan, E., 2014, Monitoring natural and anthropogenic induced variations in water availability across Africa: AGU, San Francisco, CA, Dec. 2014.
  92. Alharbi*, T., Sultan, M., Ahmed, M., Chouinard*, K., 2014, Assessment of the climate vulnerabilities of the Arabian Peninsula: AGU, San Francisco, CA, Dec. 2014.
  93. Emil*, M., Sultan, M., Ahmed, M., Chouinard*, K., 2014, Understanding the paleohydrological setting of the Arabian Peninsula: An integrated approach: AGU, San Francisco, CA, Dec. 2014.
  94. Sultan, M., Ahmed, M., Yan, E., Milewski, A., Mohamed*, L., Farag*, A., 2014, Management of Egypt’s Surface and Groundwater Resources: Present and Future: AGU, San Francisco, CA, Dec. 2014.
  95. Othman*, A., Sultan, M., Alharbi, H., Youssif, A., Ahmed, M., Emil*, M., Zabramwi, Y., Alzahrani, S., Bahamil, A., Chouinard*, K., 2014, Assessment of the nature, distribution and causes of land subsidence in Central and Northern Saudi Arabia: AGU, San Francisco, CA, Dec. 2014.
  96. Mohamed, A., Sultan, M., Ahmed, M., Yan, E., 2014, Quantifying modern recharge to the Nubian Sandstone Aquifer System: Inferences from GRACE and Land Surface Models: AGU, San Francisco, CA, Dec. 2014.
  97. Sultan, M., Ahmed, M., Milewski, A., Becker, R., Yan, E., Sturchio, N., Mohamed*, L., Farag*, A., Becker D., Chouinard*, K., 2014, Integrated approaches for sustainable utilization of water resources in Arid Lands: Case studies from Egypt: GSA, Vancouver, BC, Oct. 2014.
  98. Mohamed, A., Sultan, M., Bakheit, A., Ezzat, A., Ahmed, M., Farag, A., 2014, Geophysical (global gravity field model) and field (well data) Constraints on Groundwater Flow in the Nubian Sandstone Aquifer in Egypt, Sudan, Libya, and Chad: GSA, Vancouver, BC, Oct. 2014.
  99. Qian, S., Tiyip, T., Sultan, M., Ahmed, M., 2014, Monitoring of dynamic changes in terrestrial water storage in Central Asia using GRACE data: The 3rd International Workshop on Earth Observation and Remote Sensing Applications (EORSA), Changsha, China, Jun. 2014.
  100. Ahmed©, M., Sultan, M., Wahr, J., Yan, E., 2013, Monitoring aquifer depletion from space: Case Studies from the Saharan and Arabian aquifers: AGU, San Francisco, CA, Dec. 2013.
  101. Mohamed*, L., Sultan, M., Ahmed, M., Zaki*, A., 2013, An integrated approach (remote sensing, geophysics, field) to assess the structural control of groundwater flow in Wadi Feiran basement complex, Sinai, Egypt: AGU, San Francisco, CA, Dec. 2013.
  102. Sultan, M., Sturchio, N., Sefry, S., Ahmed, M., AbuAbdallah, M., Emil*, M., Chouinard*, K., 2013, Chemical, isotopic and remote sensing constraints on the age, origin, and groundwater potentiality in the Rub Al Khali aquifer system, Arabian Peninsula: AGU, San Francisco, CA, Dec. 2013.
  103. Alharbi*, T., Sultan M., Ahmed, M., Sefry, S., AbuAbdallah, 2013, Modeling runoff and sediments yields and their response to climate change: Case study from the Red Sea coast of Saudi Arabia: AGU, San Francisco, CA, Dec. 2013.
  104. Emil*, M., Sultan M., Sefry, S., Ahmed, M., AbuAbdallah, Chouinard*, K., Krawczyk, M., 2013, Reconstruction of the paleohydrological setting of the Rub Al Khali, Saudi Arabia: AGU, San Francisco, CA, Dec. 2013.
  105. Sultan, M., Ahmed, M., Wahr, J., Yan, E., 2013, Integrated approach to address the temporal changes in Saharan and Arabian aquifers in response to climatic and anthropogenic forces: GRACE Science Team Meeting (GSTM), Austin, TX, Oct. 2013.
  106. Ahmed©, M., Sultan, M., Wahr, J., Yan, E., 2013, Is the Nubian Sandstone Aquifer System being depleted? GSA, Denver, CO, Oct. 2013.
  107. Sultan, M., Abouelmagd, A., Ahmed, M., Sturchio, N., Krishnamurthy, R., Soliman, F., Rashed, M., Milewski, A., Krawczyk, M., 2013, Constraints on the timing of recharge of the fossil aquifers in Saharan Africa and Sinai: GSA, Denver, CO, Oct. 2013.
  108. Buckner*, M., Sultan, M., Ahmed, M., 2013, What is GRACE telling us about Earthquake? Western Michigan University, Howard Hughes Medical Institute, Kalamazoo, MI, Jul. 2013.
  109. Ahmed, M., Sultan, M., Alharbi*, T., 2013, Monitoring aquifer depletion from space: Case studies from Nubian Sandstone Aquifer in Egypt and the Saq Aquifer in Saudi Arabia: GSA, Kalamazoo, MI, May 2013.
  110. Alharbi*, T., Sultan, M., Ahmed, M., 2013, Climate change over the Arabian Peninsula: Inferences from TRMM data: GSA, Kalamazoo, MI, May 2013.
  111. Ahmed©, M., Sultan, M., Wahr, J., Yan, E., Bonin, J., Chouinard*, K., 2012, Monitoring climate and man-made induced variations in terrestrial water storage (TWS) across Africa using GRACE data: AGU, San Francisco, CA, Dec. 2012.
  112. Ahmed©, M., Sultan, M., Wahr, J., Milewski, A., Chouinard*, K., Elbayoumi, T., 2012, The use of GRACE and TRMM data to quantify the spatial and temporal variations in precipitation and terrestrial water storage (TWS) across the Nile River Basin: GSA, Charlotte, NC, Nov. 2012.
  113. Mohamed*, L., Sultan, M., Ahmed, M., Sauck, W., Abouelmagd, A., Chouinard*, K., 2012, Integrated approach (geophysics and remote sensing) to identify water-bearing dyke swarms and fractured basement in the Sinai Peninsula, Egypt: AGU, San Francisco, CA, Dec. 2012.
  114. Sultan, M., Ahmed, M., Wahr, J., Yan, E., Bonin, J., Chouinard*, K., 2012, The use of GRACE data to monitor climate and man-made induced variations in water availability across Africa: GRACE Science Team Meeting (GSTM), GFZ, Potsdam, Germany, Sept. 2012.
  115. Emil*, M., Sultan, M., Fawzy, D., Ahmed, M., Chouinard*, K., 2012, Radar interferometric applications for a better understanding of the distribution, controlling factors, and precursors of large Earthquakes in Turkey: AGU, San Francisco, CA, Dec. 2012.
  116. Abouelmagd, A., Sultan, M., Ahmed, M., Elbayoumi, T., Chouinard*, K., 2012, Impact of low-frequency atmospheric circulation patterns (NAO and EATP) on the spatial and temporal precipitation over North Africa: AGU, San Francisco, CA, Dec. 2012.
  117. Alharbi*, T., Sultan, M., Elkadiri*, R., Milewski, A., Ahmed, M., Emil*, M., Chouinard*, K., Krawczyk, M., Sefry, S., Youssef, A., 2012, An Assessment of landslides and debris flows distribution in the Jazan area, Saudi Arabia using remote sensing and GIS techniques: GSA, Charlotte, NC, Nov. 2012.
  118. El Kadiri*, R., Milewski, A., Sultan, M., Larabi, A., Ahmed, M., and Durham, M., 2012, SWAT modeling and remote sensing applications for the assessment of hydrologic responses to climatic changes in a Mediterranean Atlantic System, 39th International Association of Hydrogeologists (IAH) Congress, Niagara Fall, Ontario, Canada, Sept. 2012.
  119. Ahmed©, M., Sauck, W., Sultan, M., Soliman, F., Rashed, M., 2012, Basin definition using gravity and magnetic data: Case study from El Qaa Plain, Sinai, Egypt: Symposium on the Application of Geophysics to Engineering and Environmental Problems (SAGEEP), Tucson, AZ, Mar. 2012.
  120. Ahmed©, M., Sultan, M., Wahr, J., Yan, E., Milewski, A., Mohsen*, F., Chouinard*, K., 2012, Use of GRACE data to monitor climate change (El Niño/La Niña)-induced variations in water availability across the African continent: AGU Chapman Conference on Remote Sensing of the Terrestrial Water Cycle, Kona, Hawaii, Feb. 2012.
  121. Sultan, M., Ahmed, M., Sturchio, N., Yan, E., Milewski, A., Becker, R., Wahr, J., Becker, D., and Chouinard*, K., 2012, An integrated (remote sensing, GIS, hydrogeology, geochemistry, geophysics, and hydrologic modeling) approach for a better understanding of the hydrology of the Nubian Aquifer, NE Africa: AGU Chapman Conference on Remote Sensing of the Terrestrial Water Cycle, Kona, Hawaii, Feb. 2012.
  122. Sultan, M., Milewski, A., Sauck, W., Ahmed, M., Becker, R., Sturchio, N., Yan, E., Chouinard, K., and Welton, B., 2011, An integrated approach for the assessment of groundwater potential in arid terrains: Case studies from Egypt, Saudi Arabia, and Africa: International Conference for Water Resources & Environment, Morocco, 2011.
  123. Ahmed©, M., Sultan, M., Wahr, J., Yan, E., Milewski, A., Mohsen*, F., Chouinard*, K., 2011, Use of GRACE data to monitor climate change-induced variations in water storage availability in the African continent: AGU, San Francisco, CA, Dec. 2011.
  124. Al Harbi*, T., Sultan, M., El Kadiri*, R., Ahmed, M., Sefry, S., Youssef, A., Beacker, R., Sandres, J., Chouinard*, K., 2011, A web-based GIS approach for the assessment of landslides in the Jazan area, Saudi Arabia: AGU, San Francisco, CA, Dec. 2011.
  125. Milewski, A., Sultan, M., Chouinard*, K., Welton*, B., Beacker, R., Ahmed, M., Beacker, D., 2011, Multi-scale hydrogeologic applications using a web-based GIS server and custom geoprocessing tools: GSA, Minneapolis, MN, Oct. 2011.
  126. El Kadiri*, R., Milewski, A., Sultan, M., Beacker, R., Sefry, S., Youssef, A., Al Harbi, T., Ahmed, M., Sandres, J., Chouinard*, K., 2011 Integrated methodologies (field, remote sensing, GIS) for the assessment of landside distribution, hazards, and controlling factors in the Jizan area, Saudi Arabia: GSA, Minneapolis, MN, Oct. 2011.
  127. Sultan, M., Ahmed, M., Wahr, J., Yan, E., Milewski, A., Mohsen*, F., Chouinard*, K., 2011, The Use of GRACE data to identify spatial and temporal trends in water storage across Africa: GRACE Science Team Meeting (GSTM), Austin, TX, Aug. 2011.
  128. Ahmed©, M., 2011, Integrated Approach for Hydrogeologic Investigations in Africa: Inferences from Space-borne and Land-based Gravity, Geochemistry, Modeling, GIS, and Remote Sensing data, Western Michigan University, Graduate Collage, Kalamazoo, MI, Apr. 2011.
  129. Ahmed©, M., Sultan, M., Wahr, J., Yan, E., Milewski, A., Suack, W., Becker, R., Welton*, B., and Marsala*, P., 2010, Integration of GRACE data, with inferences from traditional datasets for a better understanding of the time-dependent water storage variability in African watersheds: AGU, San Francisco, CA, Dec. 2010.
  130. Sultan, M., Ahmed, M., Wahr, J., Yan, E., Milewski, A., Chouinard*, K., and Welton*, B., 2010, Use of GRACE, remote sensing, and traditional datasets for modeling time-dependent water partitioning on sub-basins scales: Case studies from the Nile, Niger, and Congo basins: GRACE Science Team Meeting (GSTM), GFZ, Potsdam, Germany, Oct. 2010.
  131. Sultan, M., Metwally, S., Milewski, A., Becker, D., Ahmed, M., Sauck W., Soliman F., Sturchio, N., Yan, E., Rashed, M., Wagdy, A., Becker, R., and Welton*, B., 2010, Modern recharge to fossil aquifers: Geochemical, geophysical, and modeling constraints: AGU, San Francisco, CA, Dec. 2010.
  132. Milewski, A., Sultan, M., Al-Dousari, A., and Ahmed, M., 2010, Constrains on the hydrologic setting and recharge of freshwater lenses in Kuwait: AGU, San Francisco, CA, Dec. 2010.
  133. Ahmed©, M., Sultan, M., Wahr, J., Milewski, A., Becker, R., Welton*, B., 2010, What is GRACE telling us about the Hydrology of Africa? American Institute of Professional Geologists, Kalamazoo, MI, May. 2010.
  134. Ahmed©, M., Sultan, M., Wahr, J., Milewski, A., Welton*, B., 2010, What is GRACE telling us about the Hydrology of Africa? Western Michigan University, Research and Creative Activities Poster Day, Kalamazoo, MI, Apr. 2010.
  135. Marsala*, P., Ahmed, M., Sultan, M., Wahr, J., Milewski, A., Becker, R., Welton*, B., and Balekai*, R., 2009, Integration of GRACE data with inferences from traditional datasets for a better understanding of the time-dependent water storage variability in large-scale aquifers: Case studies from Africa: GSA, Portland, OR, Oct. 2009.
  136. Sultan, M., Safei El Den, M., Yousef, A.F., Milewski, A., Sturchio, N., Mahmoud, A.M.M., Becker, R., and Sagintayev*, Z., Ahmed, M., 2009, Red Sea rifting controls on groundwater reservoir distribution: Constraints from geophysical, isotopic, and remote sensing data: GSA, Portland, OR, Oct. 2009.
  137. Sultan, M., Wahr, J., Ahmed, M., Milewski, A. and Becker, R., 2008, What is GRACE telling us about the hydrology of the Nubian Aquifer: GRACE Science Team Meeting (GSTM), Austin, TX, Dec. 2008.