The Southwest Watershed Research Center People Dec 13

The Southwest Watershed Research Center - People Dec 13, 2016

David C. Goodrich Research Hydraulic Engineer (1988 – Present) USDA-ARS, Southwest Watershed Research Center Ph. D. Univ. of Arizona, Hydrology and Water Resources, 1990 Current Research Interests • • • LTAR Hydrology and Meteorology Surface Water Hydrology and Scaling Incorporation of Remotely Sensed Data into Watershed Models Development & Enhancement of the KINEROS 2 Watershed Model and AGWA (Automated Geospatial Watershed Assessment) Tool Ephemeral and Intermittent Stream Connectivity Radar-Rainfall Evaluation for Flash Flood Forecasting Post-fire and Fuels Management Effects on Watershed Response Capture and Management of “New” Water from Development for Recharge Modeling the Effects of Green Infrastructure on Storm Water Response

Russell L. Scott Research Hydrologist (2000 – Present) USDA-ARS, Southwest Watershed Research Center Ph. D. Univ. of Arizona, Hydrology and Water Resources, 1999 Focus Exchanges of energy, water and carbon dioxide at the soil, vegetation, and atmospheric interface and the interactions between hydrology and ecology in water-limited regions Current Interests • Understanding the consequences of land-cover and climate change on ecosystem water and carbon cycling • Improving earth system models and satellite algorithms • Role of plant roots on soil water redistribution • Partitioning water vapor and net carbon dioxide flux into their component fluxes

Mary H. Nichols Research Hydraulic Engineer (2001 – Present) USDA-ARS, Southwest Watershed Research Center Ph. D. New Mexico State Univ. , Engineering, 1999 Current Research Interests • • • Geomorphic impacts of recent and historic soil and water conservation structures Rangeland restoration with low-tech erosion control structures Natural resource applications of very high temporal and spatial resolution photography Small watershed erosion and sediment dynamics Stock tank influences on sediment transfers Applications of high resolution topographic data

Mark A. Nearing Research Agricultural Engineer (1986 -present) USDA-ARS, Southwest Watershed Research Center Ph. D. Purdue Univ. Geotechnical Engineering, 1986 Current Research Interests • • Rangeland Hydrology and Erosion Model Rangeland Soil Erosion Processes Experimental Rainfall Simulation Experiments Radio-Isotopes for Erosion and Deposition Climate Change and Soil Erosion Synthetic Rainfall Generation for Models Rainfall Erosivity

C. Jason Williams Research Hydrologist (2016 -Present) USDA-ARS, Southwest Watershed Research Center Ph. D. Univ. of Idaho, Water Resources, 2015 Current Research Interests • • • Ecohydrology: Climate-Vegetation-Hydrology-Soil Interactions Land Cover Responses to Climate, Disturbances & Management Hydrology & Erosion Responses to Climate, Vegetation Change, Disturbances & Management Infiltration, Runoff, & Erosion Processes Coupled Ecologic, Hydrologic, and Erosion Modeling Experimental Methods in Rangeland Hydrology and Erosion Research

Philip Heilman Research Leader (2010 -Present) USDA-ARS, Southwest Watershed Research Center Ph. D. U Arizona, Watershed Management (Ag Econ, MIS) 1995 Current Research Interests • • • LTAR Application in the West Rangeland Vegetation Management Rangeland Remote Sensing Decision Support Systems Land Use / Land Cover Change

SWRC Post-Docs and Staff

Eleonora M. C. Demaria Postdoctoral Hydrologist-Meteorologist (2015 – Present) USDA-ARS, Southwest Watershed Research Center Ph. D. University of Arizona, Hydrology, 2010 Current Research Interests • • • Hydrometeorology across LTAR sites Remote sensing applications for hydrology Land surface hydrologic modelling Climate impacts on water resources Bias correction and downscaling of climate projections Atmospheric circulation and hydrologic responses

Joel A. Biederman Research Hydrologist (Postdoc, 2014 – Present) USDA-ARS, Southwest Watershed Research Center Ph. D. Univ. of Arizona, Hydrology and Water Resources, 2013 Current Research Interests • • LTAR Hydrology and Carbon Cycling Land Management Impacts on Water Balance Productivity in Water-Limited Rangelands Cross-Site Synthesis of Water and Carbon Datasets

Chandra D. Holifield Collins Soil Scientist (2007 – Present) USDA-ARS, Southwest Watershed Research Center Ph. D. Univ. of Arizona, Soil, Water and Environmental Science, 2006 Current Research Interests • • • LTAR Remote Sensing and Vegetation Remote Sensing Applications for Rangeland Management Development of the Rangeland Brush Estimation Toolbox [Ra. BET] Satellite Calibration and Validation Incorporation of Remotely Sensed Data into Watershed Models Land Cover and Vegetative Community Change

Guillermo Ponce Post-doc, Remote Sensing (Sep. /2014 – Present) USDA-ARS, Southwest Watershed Research Center Ph. D. Univ. of Arizona, Soil, Water & Env. Sciences Current Research Interests • LTAR Remote Sensing • Multi-site synthesis of vegetation-climate relationships • Application of machine learning techniques for environmental modeling • Big data analytics for spatial data analysis at regional scale • Use of cloud systems to speed up remote sensing data mining/analysis • Remote sensing to support land management agencies in relation to grazing activities • Understanding and assessing drought impact on semi-arid vegetation

Viktor O. Polyakov Soil Scientist (2008 -present) USDA-ARS, Southwest Watershed Research Center Ph. D. Purdue Univ. Agronomy, 2002 Current Research Interests • • • Estimation of Erosion and Deposition using Radioisotopes Water Erosion Processes and Mechanisms Rainfall Simulation Experiments on Rangelands Surface Water Hydrology Soil Tracing Methods Rangeland Soil and Water Management

Haiyan Wei Assistant Research Scientist (2009 – Present) University of Arizona and USDA-ARS, Southwest Watershed Research Center Ph. D. Univ. of Arizona, Watershed Management, 2007 Current Research Interests • Calibration and Uncertainty • Rangeland Hydrology and Erosion Model • Rangeland Soil Erosion Processes • Drought • Modeling Vegetation Phenology Using Remotely Sensed Data

Mariano Hernandez Hydrologist (06/2016 – Present) USDA-ARS, Southwest Watershed Research Center Ph. D. Univ. of Arizona, Watershed Hydrology, 1992 Current Research Interests • • Development and enhancement of the Rangeland Hydrology and Erosion Model (RHEM) Rangeland hydrology and erosion processes from watersheds as a function of spatial scale Risks and decisions for conservation and rangeland management 2 D Numerical hydrologic and erosion modeling

Menberu Bitew Civil Engineering Post-Doc (2016 – Present) USDA-ARS, Southwest Watershed Research Center Current Research Interests • Watershed Model Parameterization and Calibration • Surface/subsurface interactions • MIKE/SHE model • Forest hydrology • Modeling and GIS • Remote sensing of precipitation