Plot-scale Field Experiment of Surface Hydrologic Processes with EOS Implications

by Charles A. Laymon, Marshall Space Flight Cent, Huntsville, United States,
Emir J. Macari, Marshall Space Flight Cent, Huntsville, United States,
Nicholas C. Costes, Marshall Space Flight Cent, Huntsville, United States,



Document Type: Proceeding Paper

Part of: Engineering, Construction, and Operations in Space III

Abstract: Plot-scale hydrologic field studies were initiated at NASA Marshall Space Flight Center to a) investigate the spatial and temporal variability of surface and subsurface hydrologic processes, particularly as affected by vegetation, and b) develop experimental techniques and associated instrumentation methodology to study hydrologic processes at increasingly large spatial scales. About 150 instruments, most of which are remotely operated, have been installed at the field site to monitor ground atmospheric conditions, precipitation, interception, soil-water status, and energy flux. This paper describes the nature of the field experiment, instrumentation and sampling rationale, and presents preliminary findings.

Subject Headings: Field tests | Hydrologic models | Soil water | Subsurface investigation | Instrumentation | Hydrology | Aerospace engineering | Federal government

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