Explanipedia

Long Term Rain Patterns of Major Watersheds in Saudi Arabia Open

A. A. Alazba, Amr Mossad, Hatim M. E. Geli, Ahmed A. El-Shafei, Nasser Alrdyan , et al. · 2025

Understanding long-term rainfall variability is essential for addressing Saudi Arabia’s growing challenges of water scarcity, climate resilience, and sustainable resource management in its arid to hyper-arid environment. This study analyze…

Mapping Land Surface Drought in Water-Scarce Arid Environments Using Satellite-Based TVDI Analysis Open

A. A. Alazba, Amr Mossad, Hatim M. E. Geli, Ahmed A. El-Shafei, Ahmed Elkatoury , et al. · 2025

Drought, a natural phenomenon intricately intertwined with the broader canvas of climate change, exacts a heavy toll by ushering in acute terrestrial water scarcity. Its ramifications reverberate most acutely within the agricultural heartl…

Transboundary Urban Basin Analysis Using GIS and RST for Water Sustainability in Arid Regions Open

A. A. Alazba, Amr Mosad, Hatim M. E. Geli, Ahmed A. El-Shafei, Mahmoud Ezzeldin , et al. · 2025

Water, often described as the elixir of life, is a critical resource that sustains life on Earth. The acute water scarcity in the major basins of the Arabian Peninsula has been further aggravated by rapid population growth, urbanization, a…

Changing Climate, Changing Fire: Understanding Ecosystem-Specific Fire–Climate Dynamics in Arizona and New Mexico Open

Michael A. Crimmins, Hatim M. E. Geli, Christina Greene, M. D. Meko, Lara Prihodko · 2025

Wildfire activity in the southwestern United States has intensified in recent decades, driven by the complex interactions of climatic variability, vegetation patterns, and human impacts. This study examines wildfire dynamics in Arizona and…

Carbon sequestration through sustainable land management practices in arid and semiarid regions: Insights from New Mexico Open

Rajan Ghimire, Deb Raj Aryal, Niall P. Hanan, Sawssan Boufous, Owen T. Burney , et al. · 2024

Arid and semiarid regions cover more than one‐third of the land surface, where the interplay between water, land use, and management strongly influences carbon (C) sequestration. Yet, information on the C management practices and how local…

Dynamic simulation modeling for sustainable water management with climate change in a semi-arid environment Open

Ahmed F. Mashaly, Alexander Fernald, Hatim M. E. Geli, A. Salim Bawazir, Robert L. Steiner · 2024

Trends in Precipitation and Air Temperature Extremes and Their Relationship with Sea Surface Temperature in the Brazilian Midwest Open

Luiz Octávio Fabrício dos Santos, Nadja Gomes Machado, Marcelo Sacardi Bíudes, Hatim M. E. Geli, Carlos Alexandre Santos Querino , et al. · 2023

The Brazilian Midwest has significant spatiotemporal variability in terms of precipitation and air temperature, making it more vulnerable to the occurrence of extreme weather events. The objective of this study is to characterize the trend…

Emerging Themes and Future Directions of Multi-Sector Nexus Research and Implementation Open

Zarrar Khan, Edo Abraham, Srijan Aggarwal, Manal Ahmad Khan, Ricardo Argüello , et al. · 2022

Water, energy, and food are all essential components of human societies. Collectively, their respective resource systems are interconnected in what is called the “nexus”. There is growing consensus that a holistic understanding of the inte…

Evapotranspiration Seasonality over Tropical Ecosystems in Mato Grosso, Brazil Open

Marcelo Sacardi Bíudes, Hatim M. E. Geli, George L. Vourlitis, Nadja Gomes Machado, Vagner Marques Pavão , et al. · 2022

Brazilian tropical ecosystems in the state of Mato Grosso have experienced significant land use and cover changes during the past few decades due to deforestation and wildfire. These changes can directly affect the mass and energy exchange…

A Global Assessment: Can Renewable Energy Replace Fossil Fuels by 2050? Open

Jerry L. Holechek, Hatim M. E. Geli, Mohammed N. Sawalhah, Raul Valdéz · 2022

Our study evaluated the effectiveness of using eight pathways in combination for a complete to transition from fossil fuels to renewable energy by 2050. These pathways included renewable energy development; improving energy efficiency; inc…

Prediction of Crop Yield for New Mexico Based on Climate and Remote Sensing Data for the 1920–2019 Period Open

Kamini Yadav, Hatim M. E. Geli · 2021

Agricultural production systems in New Mexico (NM) are under increased pressure due to climate change, drought, increased temperature, and variable precipitation, which can affect crop yields, feeds, and livestock grazing. Developing more …

Surface Albedo and Temperature Models for Surface Energy Balance Fluxes and Evapotranspiration Using SEBAL and Landsat 8 over Cerrado-Pantanal, Brazil Open

Lucas Peres Angelini, Marcelo Sacardi Bíudes, Nadja Gomes Machado, Hatim M. E. Geli, George L. Vourlitis , et al. · 2021

The determination of the surface energy balance fluxes (SEBFs) and evapotranspiration (ET) is fundamental in environmental studies involving the effects of land use change on the water requirement of crops. SEBFs and ET have been estimated…

Modeling Spatial Surface Energy Fluxes of Agricultural and Riparian Vegetation Using Remote Sensing Open

Hatim M. E. Geli · 2021

Modeling of surface energy fluxes and evapotranspiration (ET) requires the understanding of the interaction between land and atmosphere as well as the appropriate representation of the associated spatial and temporal variability and hetero…

Beef Cattle Price and Production Patterns in Relation to Drought in New Mexico Open

Ashraf J. Zaied, Hatim M. E. Geli, Andrés F. Cibils, Mohammed N. Sawalhah, Jerry L. Holechek , et al. · 2021

Understanding the fluctuations in monthly and annual cattle prices plays a key role in supporting the sustainability of New Mexico’s (NM’s), United States (US), beef cattle industry under variable environmental conditions. The goal of this…

Water Footprint of Rangeland Beef Production in New Mexico Open

Mohammed N. Sawalhah, Hatim M. E. Geli, Jerry L. Holechek, Andrés F. Cibils, Sheri Spiegal , et al. · 2021

New Mexico (NM) has been identified as the state in the US that will be most adversely impacted by climate change and associated water stress. Roughly 92% of NM is rangeland, most of which is grazed by beef cattle. We calculated the blue (…

An Integrated Food, Energy, and Water Nexus, Human Well-Being, and Resilience (FEW-WISE) Framework: New Mexico Open

Kamini Yadav, Hatim M. E. Geli, Andrés F. Cibils, Michael J. Hayes, Alexander Fernald , et al. · 2021

Interconnected food, energy, and water (FEW) nexus systems face many challenges to support human well-being (HWB) and maintain resilience, especially in arid and semiarid regions like New Mexico (NM), United States (US). Insufficient FEW r…

Assessment of Rangeland Degradation in New Mexico Using Time Series Segmentation and Residual Trend Analysis (TSS-RESTREND) Open

Melakeneh G. Gedefaw, Hatim M. E. Geli, Temesgen Alemayehu Abera · 2021

Rangelands provide significant socioeconomic and environmental benefits to humans. However, climate variability and anthropogenic drivers can negatively impact rangeland productivity. The main goal of this study was to investigate structur…

Assessment of Remote Sensing and Re-Analysis Estimates of Regional Precipitation over Mato Grosso, Brazil Open

Altemar Lopes Pedreira, Marcelo Sacardi Bíudes, Nadja Gomes Machado, George L. Vourlitis, Hatim M. E. Geli , et al. · 2021

The spatial and temporal distribution of precipitation is of great importance for the rain-fed agricultural production and the socioeconomics of Mato Grosso (MT), Brazil. MT has a sparse network of ground rain gauges that limits the effect…

Building an Improved Drought Climatology Using Updated Drought Tools: A New Mexico Food-Energy-Water (FEW) Systems Focus Open

Lindsay E. Johnson, Hatim M. E. Geli, Michael J. Hayes, Kelly Helm Smith · 2020

Drought is a familiar climatic phenomenon in the United States Southwest, with complex human-environment interactions that extend beyond just the physical drought events. Due to continued climate variability and change, droughts are expect…

Climate Change, Rangelands, and Sustainability of Ranching in the Western United States Open

Jerry L. Holechek, Hatim M. E. Geli, Andrés F. Cibils, Mohammed N. Sawalhah · 2020

Accelerated climate change is a global challenge that is increasingly putting pressure on the sustainability of livestock production systems that heavily depend on rangeland ecosystems. Rangeland management practices have low potential to …

A Cloud-Based Evaluation of the National Land Cover Database to Support New Mexico’s Food–Energy–Water Systems Open

Melakeneh G. Gedefaw, Hatim M. E. Geli, Kamini Yadav, Ashraf J. Zaied, Yelena Finegold , et al. · 2020

Accurate estimation of land use/land cover (LULC) areas is critical, especially over the semi-arid environments of the southwestern United States where water shortage and loss of rangelands and croplands are affecting the food production s…

Historical Trends in New Mexico Forage Crop Production in Relation to Climate, Energy, and Rangelands Open

Ashraf J. Zaied, Hatim M. E. Geli, Mohammed N. Sawalhah, Jerry L. Holechek, Andrés F. Cibils , et al. · 2020

This study was conducted within the context of providing an improved understanding of New Mexico’s food, energy, water systems (FEWS) and their behavior under variable climate and socioeconomic conditions. The goal of this paper was to cha…

Effects of Surface Heterogeneity Due to Drip Irrigation on Scintillometer Estimates of Sensible, Latent Heat Fluxes and Evapotranspiration over Vineyards Open

Hatim M. E. Geli, José González-Piqueras, Christopher M. U. Neale, Claudio Balbontín, Isidro Campos , et al. · 2019

Accurate estimates of sensible (H) and latent (LE) heat fluxes and actual evapotranspiration (ET) are required for monitoring vegetation growth and improved agricultural water management. A large aperture scintillometer (LAS) was used to p…

An Evaluation of Historical Trends in New Mexico Beef Cattle Production in Relation to Climate and Energy Open

Ashraf J. Zaied, Hatim M. E. Geli, Jerry L. Holechek, Andrés F. Cibils, Mohammed N. Sawalhah , et al. · 2019

In support of Food-Energy-Water Systems (FEWS) analysis to enhance its sustainability for New Mexico (NM), this study evaluated observed trends in beef cattle population in response to environmental and economic changes. The specific goal …

Evaluating the impact of land use/ land cover change on food production using cloud-based dense time series analysis to Support New Mexico's Food-Energy-Water Systems Analysis Open

Melakeneh G. Gedefaw, Hatim M. E. Geli, Yelena Finegold · 2018

Mapping evapotranspiration with high-resolution aircraft imagery over vineyards using one- and two-source modeling schemes Open

Ting Xia, William P. Kustas, Martha C. Anderson, Joseph G. Alfieri, Feng Gao , et al. · 2016

Thermal and multispectral remote sensing data from low-altitude aircraft can provide high spatial resolution necessary for sub-field (≤ 10 m) and plant canopy (≤ 1 m) scale evapotranspiration (ET) monitoring. In this study, high-resolution…

Mapping evapotranspiration with high resolution aircraft imagery over vineyards using one and two source modeling schemes Open

Ting Xia, William P. Kustas, Martha C. Anderson, Joseph G. Alfieri, Feng Gao , et al. · 2015

Thermal and multispectral remote sensing data from low-altitude aircraft can provide high spatial resolution necessary for sub-field (≤ 10 m) and plant canopy (≤ 1m) scale evapotranspiration (ET) monitoring. In this study, high resolution …

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