Search Results - "Massoud, Elias"

Emulation of environmental models using polynomial chaos expansion by Massoud, Elias C.

“…This paper investigates the applicability of model emulation to speed up simulation time of CPU intensive environmental models. Polynomial chaos expansion…”
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Climate Model Evaluation in the Presence of Observational Uncertainty: Precipitation Indices over the Contiguous United States by Gibson, Peter B., Waliser, Duane E., Lee, Huikyo, Tian, Baijun, Massoud, Elias

“…Climate model evaluation is complicated by the presence of observational uncertainty. In this study we analyze daily precipitation indices and compare multiple…”
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Projecting groundwater storage changes in California’s Central Valley by Massoud, Elias C., Purdy, Adam J., Miro, Michelle E., Famiglietti, James S.

“…Accurate and detailed knowledge of California’s groundwater is of paramount importance for statewide water resources planning and management, and to sustain a…”
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Probing the limits of predictability: data assimilation of chaotic dynamics in complex food webs by Massoud, Elias C., Huisman, Jef, Benincà, Elisa, Dietze, Michael C., Bouten, Willem, Vrugt, Jasper A., Adler, Frederick

“…The daunting complexity of ecosystems has led ecologists to use mathematical modelling to gain understanding of ecological relationships, processes and…”
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Regional and elevational patterns of extreme heat stress change in the US by Raymond, Colin, Waliser, Duane, Guan, Bin, Lee, Huikyo, Loikith, Paul, Massoud, Elias, Sengupta, Agniv, Singh, Deepti, Wootten, Adrienne

“…Abstract Increasing severity of extreme heat is a hallmark of climate change. Its impacts depend on temperature but also on moisture and solar radiation, each…”
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Atmospheric Rivers and Precipitation in the Middle East and North Africa (MENA) by Massoud, Elias, Massoud, Theresa, Guan, Bin, Sengupta, Agniv, Espinoza, Vicky, De Luna, Michelle, Raymond, Colin, Waliser, Duane

“…This study investigates the historical climatology and future projected change of atmospheric rivers (ARs) and precipitation for the Middle East and North…”
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Monitoring Groundwater Change in California’s Central Valley Using Sentinel-1 and GRACE Observations by Liu, Zhen, Liu, Pang-Wei, Massoud, Elias, Farr, Tom G, Lundgren, Paul, Famiglietti, James S.

“…The San Joaquin Valley and Tulare basins in California’s Central Valley have intensive agricultural activity and groundwater demand that has caused significant…”
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Bayesian weighting of climate models based on climate sensitivity by Massoud, Elias C, Lee, Hugo K, Terando, Adam, Wehner, Michael

“…Using climate model ensembles containing members that exhibit very high climate sensitivities to increasing CO concentrations can result in biased projections…”
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An Evaluation of Remotely Sensed and In-Situ Data Sufficiency for SGMA-Scale Groundwater Studies in the Central Valley, California by Kim, Kyra H, Liu, Zhen, Rodell, Matthew, Beaudoing, Hiroko, Massoud, Elias, Kitchens, James, Dudek, Marissa, Saylor, Patrick, Corcoran, Forrest, Reager, John T

“…California’s Central Valley aquifer is a critical freshwater resource for the state, providing drinking water to 6.5 million residents and irrigation water for…”
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Connecting Global Modes of Variability to Climate in High Mountain Asia by Massoud, Elisa C, Lim, Young-Kwon, Andrews, Lauren, Girotto, Manuela

“…Oscillations in global modes of variability (MoV) form global teleconnections that affect regional climate variability and modify the potential for severe and…”
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Information content of soil hydrology in a west Amazon watershed as informed by GRACE by Massoud, Elias C, Bloom, A. Anthony, Longo, Marcos, Reager, John T, Levine, Paul A, Worden, John R

“…The seasonal-to-decadal terrestrial water balance on river basin scales depends on several well-characterized but uncertain soil physical processes, including…”
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The Effect of Statistical Downscaling on the Weighting of Multi-Model Ensembles of Precipitation by Adrienne M. Wootten, Elias C. Massoud, Agniv Sengupta, Duane E. Waliser, Huikyo Lee

“…Recently, assessments of global climate model (GCM) ensembles have transitioned from using unweighted means to weighted means designed to account for skill and…”
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Assessing sensitivities of climate model weighting to multiple methods, variables, and domains in the south-central United States by Wootten, Adrienne M, Massoud, Elias C, Waliser, Duane E, Lee, Huikyo

“…Given the increasing use of climate projections and multi-model ensemble weighting for a diverse array of applications, this project assesses the sensitivities…”
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Seasonal Forecasting Skill for the High Mountain Asia Region in the Goddard Earth Observing System by Massoud, Elias C, Andrews, Lauren, Reichle, Rolf, Molod, Andrea, Park, Jongmin, Ruehr, Sophie, Girotto, Manuela

“…Seasonal variability of the global hydrologic cycle directly impacts human activities, including hazard assessment and mitigation, agricultural decisions, and…”
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Identification of key parameters controlling demographically structured vegetation dynamics in a land surface model: CLM4.5(FATES) by Massoud, Elias C, Xu, Chonggang, Fisher, Rosie A, Knox, Ryan G, Walker, Anthony P, Serbin, Shawn P, Christoffersen, Bradley O, Holm, Jennifer A, Kueppers, Lara M, Ricciuto, Daniel M, Wei, Liang, Johnson, Daniel J, Chambers, Jeffrey Q, Koven, Charlie D, McDowell, Nate G, Vrugt, Jasper A

“…Vegetation plays an important role in regulating global carbon cycles and is a key component of the Earth system models (ESMs) that aim to project Earth's…”
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Regional Climate Model Evaluation System powered by Apache Open Climate Workbench v1.3.0: an enabling tool for facilitating regional climate studies by Lee, Huikyo, Goodman, Alexander, McGibbney, Lewis, Waliser, Duane E., Kim, Jinwon, Loikith, Paul C., Gibson, Peter B., Massoud, Elias C.

“…The Regional Climate Model Evaluation System (RCMES) is an enabling tool of the National Aeronautics and Space Administration to support the United States…”
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Cascading Dynamics of the Hydrologic Cycle in California Explored through Observations and Model Simulations by Massoud, Elias, Turmon, Michael, Reager, John, Hobbs, Jonathan, Liu, Zhen, David, Cédric H.

“…As drought occurs in a region it can have cascading effects through the water cycle. In this study, we explore the temporal co-evolution of various components…”
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Groundwater Depletion Signals in the Beqaa Plain, Lebanon: Evidence from GRACE and Sentinel-1 Data by Massoud, Elias C., Liu, Zhen, Shaban, Amin, Hage, Mhamad

“…Regions with high productivity of agriculture, such as the Beqaa Plain, Lebanon, often rely on groundwater supplies for irrigation demand. Recent reports have…”
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Climate sensitive size-dependent survival in tropical trees by Johnson, Daniel J., Needham, Jessica, Xu, Chonggang, Massoud, Elias C., Davies, Stuart J., Anderson-Teixeira, Kristina J., Bunyavejchewin, Sarayudh, Chambers, Jeffery Q., Chang-Yang, Chia-Hao, Chiang, Jyh-Min, Chuyong, George B., Condit, Richard, Cordell, Susan, Fletcher, Christine, Giardina, Christian P., Giambelluca, Thomas W., Gunatilleke, Nimal, Gunatilleke, Savitri, Hsieh, Chang-Fu, Hubbell, Stephen, Inman-Narahari, Faith, Kassim, Abdul Rahman, Katabuchi, Masatoshi, Kenfack, David, Litton, Creighton M., Lum, Shawn, Mohamad, Mohizah, Nasardin, Musalmah, Ong, Perry S., Ostertag, Rebecca, Sack, Lawren, Swenson, Nathan G., Sun, I Fang, Tan, Sylvester, Thomas, Duncan W., Thompson, Jill, Umaña, Maria Natalia, Uriarte, Maria, Valencia, Renato, Yap, Sandra, Zimmerman, Jess, McDowell, Nate G., McMahon, Sean M.

“…Survival rates of large trees determine forest biomass dynamics. Survival rates of small trees have been linked to mechanisms that maintain biodiversity across…”
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Bayesian Model Averaging of Climate Model Projections Constrained by Precipitation Observations over the Contiguous United States by Massoud, E. C., Lee, H., Gibson, P. B., Loikith, P., Waliser, D. E.

“…This study utilizes Bayesian model averaging (BMA) as a framework to constrain the spread of uncertainty in climate projections of precipitation over the…”
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