Search Results - "Scanlon, B. R."

A global data set of the extent of irrigated land from 1900 to 2005 by Siebert, S, Kummu, M, Porkka, M, Döll, P, Ramankutty, N, Scanlon, B. R

“…Irrigation intensifies land use by increasing crop yield but also impacts water resources. It affects water and energy balances and consequently the…”
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Ground referencing GRACE satellite estimates of groundwater storage changes in the California Central Valley, USA by Scanlon, B. R., Longuevergne, L., Long, D.

“…There is increasing interest in using Gravity Recovery and Climate Experiment (GRACE) satellite data to remotely monitor groundwater storage variations;…”
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Comparison of Water Use for Hydraulic Fracturing for Unconventional Oil and Gas versus Conventional Oil by Scanlon, B. R, Reedy, R. C, Nicot, J.-P

“…We compared water use for hydraulic fracturing (HF) for oil versus gas production within the Eagle Ford shale. We then compared HF water use for Eagle Ford oil…”
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Sixty years of global progress in managed aquifer recharge by Dillon, P., Stuyfzand, P., Grischek, T., Lluria, M., Pyne, R. D. G., Jain, R. C., Bear, J., Schwarz, J., Wang, W., Fernandez, E., Stefan, C., Pettenati, M., van der Gun, J., Sprenger, C., Massmann, G., Scanlon, B. R., Xanke, J., Jokela, P., Zheng, Y., Rossetto, R., Shamrukh, M., Pavelic, P., Murray, E., Ross, A., Bonilla Valverde, J. P., Palma Nava, A., Ansems, N., Posavec, K., Ha, K., Martin, R., Sapiano, M.

“…The last 60 years has seen unprecedented groundwater extraction and overdraft as well as development of new technologies for water treatment that together…”
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GRACE water storage estimates for the Middle East and other regions with significant reservoir and lake storage by Longuevergne, L, Wilson, C. R, Scanlon, B. R, Crétaux, J. F

“…While GRACE (Gravity Recovery and Climate Experiment) satellites are increasingly being used to monitor total water storage (TWS) changes globally, the impact…”
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Managed aquifer recharge as a drought mitigation strategy in heavily-stressed aquifers by Wendt, D E, Van Loon, A F, Scanlon, B R, Hannah, D M

“…Increasing meteorological drought frequency and rising water demand drive groundwater exploitation beyond sustainable limits. In heavily-stressed aquifers…”
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Recent La Plata basin drought conditions observed by satellite gravimetry by Chen, J. L., Wilson, C. R., Tapley, B. D., Longuevergne, L., Yang, Z. L., Scanlon, B. R.

“…The Gravity Recovery and Climate Experiment (GRACE) provides quantitative measures of terrestrial water storage (TWS) change. GRACE data show a significant…”
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Calibration and evaluation of a semi-distributed watershed model of Sub-Saharan Africa using GRACE data by Xie, H, Longuevergne, L, Ringler, C, Scanlon, B. R

“…Irrigation development is rapidly expanding in mostly rainfed Sub-Saharan Africa. This expansion underscores the need for a more comprehensive understanding of…”
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Ecological controls on water-cycle response to climate variability in deserts by Scanlon, B.R, Levitt, D.G, Reedy, R.C, Keese, K.E, Sully, M.J

“…The impact of climate variability on the water cycle in desert ecosystems is controlled by biospheric feedback at interannual to millennial timescales. This…”
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Assessing controls on diffuse groundwater recharge using unsaturated flow modeling by Keese, K.E, Scanlon, B.R, Reedy, R.C

“…Understanding climate, vegetation, and soil controls on recharge is essential for estimating potential impacts of climate variability and land use/land cover…”
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Impact of agroecosystems on groundwater resources in the Central High Plains, USA by Scanlon, B.R., Reedy, R.C., Gates, J.B., Gowda, P.H.

“…▶ Current irrigation practices in the US Central High Plains are not sustainable. ▶ Groundwater depletion rate is up to 10 times greater than recharge. ▶…”
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Tracking Seasonal Fluctuations in Land Water Storage Using Global Models and GRACE Satellites by Scanlon, B. R., Zhang, Z., Rateb, A., Sun, A., Wiese, D., Save, H., Beaudoing, H., Lo, M. H., Müller‐Schmied, H., Döll, P., Beek, R., Swenson, S., Lawrence, D., Croteau, M., Reedy, R. C.

“…Seasonal water storage fluctuations are critical for evaluating water scarcity linked to climate forcing and human intervention. Here we compare seasonal…”
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Impact of deep plowing on groundwater recharge in a semiarid region: Case study, High Plains, Texas by Scanlon, B. R., Reedy, R. C., Baumhardt, R. L., Strassberg, G.

“…Groundwater recharge is critical in semiarid regions where aquifers are currently being mined for intensive irrigation. Land use management related to…”
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Effects of irrigated agroecosystems: 2. Quality of soil water and groundwater in the southern High Plains, Texas by Scanlon, B. R., Gates, J. B., Reedy, R. C., Jackson, W. A., Bordovsky, J. P.

“…Trade‐offs between water‐resource depletion and salinization need to be understood when promoting water‐conservative irrigation practices. This companion paper…”
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Effects of irrigated agroecosystems: 1. Quantity of soil water and groundwater in the southern High Plains, Texas by Scanlon, B. R., Reedy, R. C., Gates, J. B.

“…Although irrigated agriculture is the primary consumer of global groundwater resources, information on recharge rates and sustainable irrigation is limited…”
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Elevated naturally occurring arsenic in a semiarid oxidizing system, Southern High Plains aquifer, Texas, USA by Scanlon, B.R., Nicot, J.P., Reedy, R.C., Kurtzman, D., Mukherjee, A., Nordstrom, D.K.

“…High groundwater As concentrations in oxidizing systems are generally associated with As adsorption onto hydrous metal (Al, Fe or Mn) oxides and mobilization…”
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Choosing appropriate techniques for quantifying groundwater recharge by Scanlon, Bridget R, Healy, Richard W, Cook, Peter G

“…Various techniques are available to quantify recharge; however, choosing appropriate techniques is often difficult. Important considerations in choosing a…”
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Can we simulate regional groundwater flow in a karst system using equivalent porous media models? Case study, Barton Springs Edwards aquifer, USA by Scanlon, Bridget R, Mace, Robert E, Barrett, Michael E, Smith, Brian

“…Various approaches can be used to simulate groundwater flow in karst systems, including equivalent porous media distributed parameter, lumped parameter, and…”
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Uncertainties in estimating water fluxes and residence times using environmental tracers in an arid unsaturated zone by Scanlon, Bridget R.

“…Environmental tracers are used widely to evaluate flow processes and estimate fluxes and ages of pore water in arid regions. The purpose of this study was to…”
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Arsenic enrichment in unconfined sections of the southern Gulf Coast aquifer system, Texas by Gates, J.B., Nicot, J.P., Scanlon, B.R., Reedy, R.C.

“…► Groundwater arsenic concentrations in the Texas Gulf Coast aquifer system investigated with a hydrochemical transect. ► Volcanic sediments the dominant…”
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