PROJECTS, Lee F. Johnson

Development of sustainability metrics for agricultural irrigation water use efficiency. (CSU Agricultural Research Initiative) [2013-2014]

Mitigation of drought impacts on agriculture through satellite irrigation monitoring and management support. (NASA Applied Science Pgm) [2012-2013]

Fallowed area mapping for drought impact reporting and decision making. (NASA Applied Science Pgm) [2012-2013]

Improved tracking of water use in specialty crops. (Calif. Dept. Food Agric.) [2011-2014]

Development of an integrated decision support system to optimize irrigation scheduling and water use efficiency. (CSU Agricultural Research Initiative) [2011-2014]

Cyber-infrastructure for irrigation optimization: application of the Terrestrial Observation & Prediction System for improvement of agricultural water use efficiency. Development of satellite data for improved ET estimation and irrigation management. (NASA Applied Science Pgm) [2010-2011]

Satellite & Information Technology for ET Estimation in the California Delta. Satellite monitoring of crop phenology and Penman-Monteith based ET modeling. (Calif. Dept. Water Resources) [2009-10]

Improved prediction of irrigation water use for California crops from remote sensing. Develop technology and prototype decision support tools to estimate real-time crop coefficients from remotely sensed data. (USDA Agricultural Research Service) [2008-10]

NASA/MODIS imagery for crop water use estimation in the California Delta. Use satellite imagery to map crop cover, crop phenology, and transpiration coefficients. (NASA Ecological Forecasting Lab) [2008]

Investigation of airborne imagery & geostatistics for mapping vineyard quality/yield. Examine covariance between optical imagery, fruit anthocyanin, and crop yields. (Constellation Wines U.S.) [2008]

HyperSat. Science analysis support of new hyperspectral instrumentation (NASA SmallSat program) [2008]

Development of the Viticultural Information System (VITIS). Combine water balance model with information technology tools and Internet delivery to support deficit irrigation of grapevines. (Calif. Dept. Water Resources) [2008-09]

SENTRI-LD. Application of NASA UAS technology to hydrocarbon pipeline security. (BP, Inc.) [2007-08]

Water Balance Modeling in Vineyards for Spatially Explicit Irrigation Strategies. Combine remote sensing, weather data, and soils to monitor crop ET and water demand. (Calif. Dept. Water Resources)

VINTAGE: Viticultural Integration of NASA Technologies for Assessment of the Grapevine Environment. Cooperate with wine industry and commercial remote sensing firms to adapt and promote NASA-developed scientific technologies as tools for site-specific and regional crop stress management. (NASA Earth Science/Applications Research and Outreach Division)

Coffee Harvest Optimization Using UAV Platforms for Acquisition of High Spatial Resolution Real-time Multispectral Imagery . Demonstrate use of uninhabited aerial vehicle (UAV) for remote sensing support of tropical agricultural management. (NASA UAV Science Demonstrator Program)

HyperVeg: Hyperspectral Detection of Nitrogen Stress in Monterey County Vegetable Crops. Work with growers and software company to develop remote sensing based tools for detection of nutrient stress in nitrogen fertilizer-intensive vegetable crops. (NASA/EOCAP-Commercial Remote Sensing Program)

Investigation of Canopy Chemistry and Light Interception with a Coupled Radiative Transfer Model. Validate a new canopy reflectance model against seedling canopy measurements. Perform sensitivity analyses to evaluate effect of foliar chemistry on leaf and canopy reflectance. (NASA/Terrestrial Ecology Program)

Canopy Remote-sensing for Uniformly Segmented Harvest (CRUSH) Project. Work with winegrowing consultants and remote sensing value-added firms to transfer high-spatial resolution remote sensing technology to the winegrape industry. (Ames Commercial Technology Office)

ERAST/Hawaii Airborne Campaign. Coordinate efforts of Pathfinder Science Team. Contribute to mission planning and real-time navigation of Pathfinder (remotely-piloted) Aircraft for remote sensing data collection. Plan and conduct field measurements for in-flight characterization of DASI sensor performance. (NASA/Office of Earth Science)

Joint NASA/EPA remote sensing project over EPA Region-3 (SE Virginia). Demonstration of AVIRIS analysis for water quality assessment and identification of submerged aquatic vegetation. (NASA/Office of Earth Science)

Accelerated Canopy Chemistry Program Methods Comparison. Evaluation of foliar biochemical information extraction techniques across fresh-leaf spectral and canopy remotely sensed datasets. Demonstrated similarity in key wavelength regions vs. nitrogen concentration in mono-specific datasets.

Leafmod Project. Collaboration with Univ. Arizona to develop and validate a novel within-leaf radiative transfer model to incorporate leaf chemical absorption and scattering properties. Demonstrated improved sensitivity to leaf chemistry vs. raw spectral data.

GRAPES Project Collaborated with wine industry and university partners to develop and transfer the use of remote sensing/GIS as a vineyard management tool.

Accelerated Canopy Chemistry Program. Demonstrated feasibility of estimating total nitrogen concentration from near-infrared spectra of fresh leaves. Collection and analysis of a comprehensive seedling canopy dataset for modeling purposes.

ASAS and AVIRIS elements of Oregon TransecT Ecosystem Research (OTTER) Project. Airborne imaging spectrometer data were related to forest stand density and foliar biochemistry.


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