Search Results - "Galantowicz, J.F."

Tests of sequential data assimilation for retrieving profile soil moisture and temperature from observed L-band radiobrightness by Galantowicz, J.F., Entekhabi, D., Njoku, E.G.

“…Sequential data assimilation (Kalman filter optimal estimation) techniques are applied to the problem of retrieving near-surface soil moisture and temperature…”
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Freeze/thaw classification for prairie soils using SSM/I radiobrightnesses by Judge, J., Galantowicz, J.F., England, A.W., Dahl, P.

“…Data from the Nimbus-7 Scanning Multichannel Microwave Radiometer (SMMR) have been used to classify snow-free soils in the northern Great Plains as either…”
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A comparison of ground-based and satellite-borne microwave radiometric observations in the Great Plains by Judge, J., Galantowicz, J.F., England, A.W.

“…The authors compare ground-based and the special sensor microwave/imager (SSM/I) brightness temperatures at 19 and 37 GHz in the Northern and the Southern…”
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Estimation of soil-type heterogeneity effects in the retrieval of soil moisture from radiobrightness by Galantowicz, J.F., Entekhabi, D., Njoku, E.G.

“…The authors estimate the magnitude of the beam-filling error due to soil-type heterogeneity in the determination of sensor-footprint average soil moisture…”
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A land surface process/radiobrightness model with coupled heat and moisture transport for prairie grassland by Yuei-An Liou, Galantowicz, J.F., England, A.W.

“…The authors present a biophysically based, one-dimensional hydrology/radiobrightness (1dWR) model for prairie grassland that is subject to solar heating,…”
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High-resolution flood mapping from low-resolution passive microwave data by Galantowicz, J.F.

“…We have developed a new method for making high-resolution flood extent maps (e.g. at the 30-100 m scale of digital elevation models) in real-time from…”
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Metrics for the quality of footprint-matched passive microwave measurements by Galantowicz, J.F.

“…In developing footprint matching schemes for the NPOESS (National Polar-orbiting Operational Satellite System) CMIS (Conical-scanning Microwave Imager Sounder)…”
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The radiobrightness thermal inertia measure of soil moisture by England, A.W., Galantowicz, J.F., Schretter, M.S.

“…Radiobrightness thermal inertia (RTI) is proposed as a method for using day-night differences in satellite-sensed radiobrightness to monitor the moisture of…”
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A dynamic snowpack model for radiobrightness calculations driven by land-atmosphere energy and moisture fluxes by Galantowicz, J.F., England, A.W.

“…Presents a Soil-Vegetation-Atmosphere Transfer (SVAT) model for snow and soil designed to make the link between microwave radiometric emission from a snow…”
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Observed and modeled radiobrightness of prairie grass during early fall by England, A.W., Galantowicz, J.F.

“…The authors' Soil-Vegetation-Atmosphere Transfer (SVAT) model for northern prairie tracks energy and moisture fluxes at the land-atmosphere interface, and…”
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Moisture in a grass canopy from SSM/I radiobrightness by England, A.W., Galantowicz, J.F.

“…Soil-Vegetation-Atmosphere Transfer (SVAT) schemes are used to estimate land-atmosphere moisture, energy, and momentum fluxes and provide boundary forcing to…”
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Radiobrightness signatures of energy balance processes: melt/freeze cycles in snow and prairie grass covered ground by Galantowicz, J.F., England, A.W.

“…The authors are developing physically based, one-dimensional heat flow models for snow and soil which, when linked to simple microwave emission models, will…”
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A volume emission model for the radiobrightness of prairie grass by England, A.W., Galantowicz, J.F.

“…The radiobrightness of snow-free northern prairie at the SSM/I frequencies of 19.35, 37.0, and 85.5 GHz is dominated by absorption and emission by the grass…”
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Global Microwave Emission Depth Analyses from AMSR-E, SSMI, and MODIS by Galantowicz, J.F., Moncet, J.-L., Pan Liang, Lipton, A.E.

“…A global analysis of microwave emission depth signatures shows that the characteristic temporal behaviors associated with subsurface emission in sand deserts…”
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An evaluation of BATS as a basis for a radiobrightness model for northern prairie by Judge, J., Galantowicz, J.F., England, A.W.

“…Biosphere models provide estimates of energy and momentum fluxes at the land atmosphere interface. In this paper one such model, BATS, was evaluated for its…”
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Soil moisture and temperature determination by recursive assimilation of multifrequency observations using simplified models of soil heat and moisture flow and emission by Galantowicz, J.F., Entekhabi, D.

“…Summary form only given, as follows. Although the sensitivity of radiobrightness to soil moisture content has been well established, direct inversion of remote…”
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Freeze/thaw classification for prairie soils using SSM/I radiobrightnesses by Judge, J., Galantowicz, J.F., England, A.W., Dahl, P.

“…The state of soil moisture is an important variable in land surface processes. Moist soils can be classified as frozen or thawed using SSM/I radiobrightness…”
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A SSM/I Radiometer Simulator for Studies of Microwave Emission from Soil by Galantowicz, J.F., England, A.W.

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A volume scattering explanation for the negative spectral gradient of frozen soil by England, A.W., Galantowicz, J.F., Zuerndorfer, B.W.

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