Search Results - "Marek, Thomas H."

Soil Water Sensor Performance and Corrections with Multiple Installation Orientations and Depths under Three Agricultural Irrigation Treatments by Chen, Yong, Marek, Gary W, Marek, Thomas H, Heflin, Kevin R, Porter, Dana O, Moorhead, Jerry E, Brauer, David K

“…Performance evaluations and corrections of soil water sensors have not been studied using different installation orientations under various irrigation…”
Get full text

Evaluation of Sensible Heat Flux and Evapotranspiration Estimates Using a Surface Layer Scintillometer and a Large Weighing Lysimeter by Moorhead, Jerry E, Marek, Gary W, Colaizzi, Paul D, Gowda, Prasanna H, Evett, Steven R, Brauer, David K, Marek, Thomas H, Porter, Dana O

“…Accurate estimates of actual crop evapotranspiration (ET) are important for optimal irrigation water management, especially in arid and semi-arid regions…”
Get full text

Impacts of Ongoing Land-Use Change on Watershed Hydrology and Crop Production Using an Improved SWAT Model by Li, Baogui, Marek, Gary W., Marek, Thomas H., Porter, Dana O., Ale, Srinivasulu, Moorhead, Jerry E., Brauer, David K., Srinivasan, Raghavan, Chen, Yong

“…The southern Ogallala Aquifer continues to deplete due to decades of irrigation with minimal recharge. Recently enacted regulations limiting groundwater…”
Get full text

Shoot and root traits in drought tolerant maize (Zea mays L.) hybrids by ZHAO, Jin, XUE, Qing-wu, Jessup, Kirk E, HOU, Xiao-bo, HAO, Bao-zhen, Marek, Thomas H, XU, Wen-wei, Evett, Steven R, O'Shaughnessy, Susan A, Brauer, David K

“…This study aimed to investigate the differences in shoot and root traits, and water use and water use efficiency (WUE) in drought tolerant(DT)maize(Zea mays…”
Get full text

Assessment of Alternative Agricultural Land Use Options for Extending the Availability of the Ogallala Aquifer in the Northern High Plains of Texas by Chen, Yong, Marek, Gary, Marek, Thomas, Moorhead, Jerry, Heflin, Kevin, Brauer, David, Gowda, Prasanna, Srinivasan, Raghavan

“…The Ogallala Aquifer has experienced a continuous decline in water levels due to decades of irrigation pumping with minimal recharge. Corn is one of the major…”
Get full text

Surface Energy Balance Based Evapotranspiration Mapping in the Texas High Plains by Gowda, Prasanna H, Chávez, José L, Howell, Terry A, Marek, Thomas H, New, Leon L

“…Agriculture on the Texas High Plains (THP) uses approximately 89% of groundwater withdrawals from the Ogallala Aquifer. Consequently, groundwater levels are…”
Get full text

Deficit irrigation maintains maize yield through improved soil water extraction and stable canopy radiation interception by Zhao, Jin, Xue, Qingwu, Jessup, Kirk E., Marek, Thomas H., Xu, Wenwei, Bell, Jourdan

“…Deficit irrigation (DI) is an effective way to save irrigation water while maintaining sustainable yield in irrigated crops. However, limited information is…”
Get full text

Soil water extraction, water use, and grain yield by drought-tolerant maize on the Texas High Plains by Hao, Baozhen, Xue, Qingwu, Marek, Thomas H., Jessup, Kirk E., Hou, Xiaobo, Xu, Wenwei, Bynum, Edsel D., Bean, Brent W.

“…•We investigated water use, WUE and grain yield of one new drought tolerant (DT) maize hybrid.•Grain yield and WUE of the DT hybrid were increased up to 24%…”
Get full text

Watershed scale evaluation of an improved SWAT auto-irrigation function by Chen, Yong, Marek, Gary W., Marek, Thomas H., Porter, Dana O., Moorhead, Jerry E., Heflin, Kevin R., Brauer, David K., Srinivasan, Raghavan

“…The SWAT model is a well-documented hydrologic model. However, some studies report that the existing SWAT auto-irrigation methods are unable to represent…”
Get full text

Groundwater Levels in Northern Texas High Plains: Baseline for Existing Agricultural Management Practices by Hernández, Jairo E, Gowda, Prasanna H, Marek, Thomas H, Howell, Terry A, Ha, Wonsook

“…New groundwater policies are being debated for the Northern Texas High Plains because of Ogallala Aquifer depletion. These policies should be evaluated using a…”
Get full text

Evapotranspiration, water productivity and crop coefficients for irrigated sunflower in the U.S. Southern High Plains by Howell, Terry A., Evett, Steven R., Tolk, Judy A., Copeland, Karen S., Marek, Thomas H.

“…•Sprinkler irrigated sunflower yield and water productivity are reported.•Sunflower was grown in a semiarid climate including a record drought.•Yield and water…”
Get full text

Identifying and Evaluating a Suitable Index for Agricultural Drought Monitoring in the Texas High Plains by Moorhead, Jerry E., Gowda, Prasanna H., Singh, Vijay P., Porter, Dana O., Marek, Thomas H., Howell, Terry A., Stewart, B.A.

“…Drought is a complex and highly destructive natural phenomenon that affects portions of the United States almost every year, and severe water deficiencies can…”
Get full text

Irrigated Corn Production and Management in the Texas High Plains by Xue, Qingwu, Marek, Thomas H., Xu, Wenwei, Bell, Jourdan

“…Corn is the major irrigated crop in the Texas High Plains (THP) and uses 53% of the total agricultural regional water resource budget. Currently, the declining…”
Get full text

Estimating Evapotranspiration for Dryland Cropping Systems in the Semiarid Texas High Plains Using SWAT by Marek, Gary W., Gowda, Prasanna H., Evett, Steven R., Baumhardt, R. Louis, Brauer, David K., Howell, Terry A., Marek, Thomas H., Srinivasan, R.

“…The Soil and Water Assessment Tool (SWAT) is one of the most widely used watershed models for simulating hydrology in response to agricultural management…”
Get full text

Grain yield, evapotranspiration, and water-use efficiency of maize hybrids differing in drought tolerance by Hao, Baozhen, Xue, Qingwu, Marek, Thomas H., Jessup, Kirk E., Becker, Jacob D., Hou, Xiaobo, Xu, Wenwei, Bynum, Edsel D., Bean, Brent W., Colaizzi, Paul D., Howell, Terry A.

“…Adoption of drought-tolerant (DT) hybrids is a viable strategy for maize production in drought-prone environments. We conducted four-year field studies…”
Get full text

Simulating the climate change impacts and evaluating potential adaptation strategies for irrigated corn production in Northern High Plains of Texas by Kothari, Kritika, Ale, Srinivasulu, Marek, Gary W., Munster, Clyde L., Singh, Vijay P., Chen, Yong, Marek, Thomas H., Xue, Qingwu

“…•Grain corn yield was reduced substantially under climate change without adaptation.•Longer silking to maturity period increased grain yield along with…”
Get full text

Yield determination of maize hybrids under limited irrigation by Zhao, Jin, Xue, Qingwu, Hao, Baozhen, Marek, Thomas H., Jessup, Kirk E., Xu, Wenwei, Bean, Brent W., Colaizzi, Paul D.

“…Hybrid adoption, irrigation, and planting density are important factors for maize (Zea mays L.) production in semiarid regions. For this study, a 2-yr field…”
Get full text

Irrigation Management Effects on Crop Water Productivity for Maize Production in the Texas High Plains by Marek, Gary W., Marek, Thomas H., Evett, Steven R., Chen, Yong, Heflin, Kevin R., Moorhead, Jerry E., Brauer, David K.

“…Corn ( Zea mays L.) was grown under full and deficit irrigation in two research field locations near Bushland, TX, in 2018 to compare seasonal water use of two…”
Get full text

Statistical learning algorithms for identifying contrasting tillage practices with Landsat Thematic Mapper data by Samui, Pijush, Gowda, Prasanna H, Oommen, Thomas, Howell, Terry A, Marek, Thomas H, Porter, Dana O

“…Tillage management practices have a direct impact on water-holding capacity, evaporation, carbon sequestration and water quality. This study examines the…”
Get full text

Implications of 3 alternative management policies on groundwater levels in the Texas High Plains by Hernández, Jairo E., Gowda, Prasanna H., Marek, Thomas H., Howell, Terry A., Ha, Wonsook

“…Groundwater supply in the Ogallala Aquifer is diminishing at an unsustainable rate, which is affecting the crop and animal production in the region. The…”
Get full text