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Venkat Lakshmi
University of Virginia
GeologySatelliteWater contentHydrologyRemote sensing
17Publications
3H-index
29Citations
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Publications 16
Newest
#1Balbhadra Thakur (SIU: Southern Illinois University Carbondale)H-Index: 3
#2Ajay Kalra (SIU: Southern Illinois University Carbondale)H-Index: 18
Last. Glenn A. Tootle (UA: University of Alabama)H-Index: 16
view all 6 authors...
Abstract Snow is a major source of water in the western US and has been observed showing variability posed by climate change. The snow variability of the region has been associated with the droughts affecting the societies relying on snow driven rivers. The current study evaluates the spatiotemporal variability of western US snow water equivalent (SWE) over 58 years (1961–2018) as a trend and a shift. The current study tests whether the SWE is consistent during El Nino – Southern Oscillation (EN...
1 CitationsSource
#1E. Tajfar (U.H.: University of Hawaii at Manoa)H-Index: 1
#2S. M. Bateni (U.H.: University of Hawaii at Manoa)H-Index: 14
Last. M. Ek (UCAR: University Corporation for Atmospheric Research)H-Index: 1
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Abstract Numerous studies have estimated surface heat fluxes by assimilating land surface temperature (LST) observations (as the state variable of land surface). A number of other studies have focused on the estimation of surface energy balance components by assimilating air temperature and specific humidity (as the state variables of atmosphere) into an atmospheric boundary layer model. This study advances these existing data assimilation approaches by the synergistic assimilation of LST, air t...
2 CitationsSource
#1A. A. OubeidillahH-Index: 5
#2Glenn A. TootleH-Index: 16
Last. Venkat LakshmiH-Index: 3
view all 3 authors...
Source
#1Joseph SpruceH-Index: 2
#2John D. Bolten (GSFC: Goddard Space Flight Center)H-Index: 16
Last. Venkat LakshmiH-Index: 33
view all 5 authors...
The Lower Mekong Basin (LMB) is biologically diverse, economically important, and home to over 60 million people. The region has undergone extensive environmental changes due to multiple factors, including agricultural expansion and intensification, deforestation, more river damming, increased urbanization, growing human populations, expansion of industrial forest plantations, plus frequent natural disasters from flooding and drought. The Mekong river is also heavily used for human transportatio...
2 CitationsSource
#1Amirhossein Mazrooei (NCSU: North Carolina State University)H-Index: 3
#2A. Sankarasubramanian (NCSU: North Carolina State University)H-Index: 22
Last. Venkat Lakshmi (UVA: University of Virginia)H-Index: 3
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Abstract. Providing accurate soil moisture (SM) conditions is a critical step in model initialization in weather forecasting, agricultural planning, and water resources management. This study develops monthly to seasonal (M2S) top layer SM forecasts by forcing 1–3 month ahead precipitation forecasts with Noah3.2 Land Surface Model. The SM forecasts are developed over the Southeast US (SEUS) and the SM forecasting skill is evaluated in comparison with the remotely sensed SM observations collected...
Source
#1Hossein Hashemi (Lund University)H-Index: 10
#2Jessica V. Fayne (UCLA: University of California, Los Angeles)H-Index: 5
Last. George J. Huffman (GSFC: Goddard Space Flight Center)H-Index: 57
view all 4 authors...
The Tropical Rainfall Measuring Mission (TRMM) Multisatellite Precipitation Analysis (TMPA) product provided over 17 years of gridded precipitation datasets. However, the accuracy and spatial resolution of TMPA limits the applicability in hydrometeorological applications. We present a dataset that enhances the accuracy and spatial resolution of the TMPA monthly product (3B43). We resample the TMPA data to a 1 km grid and apply a correction function derived from the Parameter-elevation Regression...
Source
#1Balbhadra Thakur (SIU: Southern Illinois University Carbondale)H-Index: 3
#2Ajay Kalra (SIU: Southern Illinois University Carbondale)H-Index: 18
Last. Venkat Lakshmi (UVA: University of Virginia)H-Index: 3
view all 5 authors...
Abstract Study region Sacramento San Joaquin River Basin, California Study focus The study forecasts the streamflow at a regional scale within SSJ river basin with largescale climate variables. The proposed approach eliminates the bias resulting from predefined indices at regional scale. The study was performed for eight unimpaired streamflow stations from 1962–2016. First, the Singular Valued Decomposition (SVD) teleconnections of the streamflow corresponding to 500 mbar geopotential height, se...
3 CitationsSource
#1Iliana E. Mladenova (GSFC: Goddard Space Flight Center)H-Index: 7
#2Venkat Lakshmi (UVA: University of Virginia)H-Index: 3
Last. S. M. Bateni (U.H.: University of Hawaii at Manoa)H-Index: 14
view all 3 authors...
#1Bin Fang (UVA: University of Virginia)H-Index: 10
#2Venkat Lakshmi (UVA: University of Virginia)H-Index: 3
Last. Andreas Colliander (California Institute of Technology)H-Index: 26
view all 5 authors...
Source
#1Spencer McDonald (BYU: Brigham Young University)H-Index: 2
#2Ibrahim Nourein Mohammed (GSFC: Goddard Space Flight Center)H-Index: 6
Last. Venkat Lakshmi (UVA: University of Virginia)H-Index: 3
view all 9 authors...
Abstract The current influx of climate related information required scientists to communicate their findings to decision makers in governments, disaster preparedness organizations, and the general public. The Soil and Water Assessment Tool (SWAT) is a powerful modelling tool that allows scientists to simulate many of the physical processes involved in the water cycle. This article presents the design, methods and development efforts to overcome some of the limitations of the previously developed...
3 CitationsSource
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