the value of coarse scale soil moisture observations for

the value of coarse scale soil moisture observations for

The Value of Coarse-Scale Soil Moisture Observations for ...

The value of coarse-scale surface wetness observa-tions for energy balance modeling depends both on the magnitude of the aggregation and dynamic impacts as-sociated with smoothing soil moisture and the feasibility of strategies to correct modeling errors associated with each impact. This paper focuses on the soil moisture aggregation impact. Using

More

The Value of Coarse-Scale Soil Moisture Observations ...

Using high-resolution (1 km) hydrologic modeling of the 575 000-km2 Red‐Arkansas River basin, the impact of spatially aggregating soil moisture imagery up to the footprint scale (32‐64 km) of spaceborne microwave radiometers on regional-scale prediction of surface energy fluxes is examined. While errors in surface energy fluxes associated with the aggregation of soil

More

The Value of Coarse-Scale Soil Moisture Observations for ...

Request PDF The Value of Coarse-Scale Soil Moisture Observations for Regional Surface Energy Balance Modeling Using high-resolution (1 km) hydrologic modeling of the 575 000-km2 Red-Arkansas ...

More

The Value of Coarse-Scale Soil Moisture Observations for ...

01.08.2002  The value of such coarse-scale soil moisture observations for surface energy flux prediction is contingent upon both the magnitude of the soil moisture aggregation effect and the ease with which this effect can be corrected using downscaling techniques.

More

The value of coarse-scale soil moisture observations for ...

While errors in surface energy fluxes associated with the aggregation of soil moisture are potentially large (>50 W m-2), relatively simple representations of subfootprint-scale variability are capable of substantially reducing the impact of soil moisture aggregation on land surface model energy flux predictions. This suggests that even crude representations of subgrid soil

More

The Value of Coarse-Scale Soil Moisture Observations for ...

FIG. 5. (a) Net bias of TOPLATS surface energy flux predictions over the ARM CART site derived from 32-km (vs 1 km) soil moisture data and (b) decomposition of bias in latent heat flux into the nonlinearity term and the loss of correlation term described in Eq. (3). - "The Value of Coarse-Scale Soil Moisture Observations for Regional Surface Energy Balance Modeling"

More

2002: The value of coarse-scale soil moisture observations ...

While errors in surface energy fluxes associated with the aggregation of soil moisture are potentially large (.50 W m22), relatively simple representations of subfootprint-scale variability are capable of substantially reducing the impact of soil moisture aggregation on land surface model energy flux predictions. This suggests that even crude representations of subgrid soil

More

The Value of Coarse-Scale Soil Moisture Observations ...

Using high-resolution (1 km) hydrologic modeling of the 575 000-km2 Red‐Arkansas River basin, the impact of spatially aggregating soil moisture imagery up to the footprint scale (32‐64 km) of spaceborne microwave radiometers on regional-scale prediction of surface energy fluxes is examined. While errors in surface energy fluxes associated with the aggregation of soil

More

The Value of Coarse-Scale Soil Moisture Observations for ...

01.08.2002  The value of such coarse-scale soil moisture observations for surface energy flux prediction is contingent upon both the magnitude of the soil moisture aggregation effect and the ease with which this effect can be corrected using downscaling techniques. For the particular soil moisture/evapotranspiration formulation employed in TOPLATS (see Fig. 6 and section

More

The Value of Coarse-Scale Soil Moisture Observations for ...

Request PDF The Value of Coarse-Scale Soil Moisture Observations for Regional Surface Energy Balance Modeling Using high-resolution (1 km) hydrologic modeling of the 575 000-km2 Red-Arkansas ...

More

The Value of Coarse-Scale Soil Moisture Observations for ...

FIG. 10. Loglog plots of statistical moment order q vs scale for a typical surface soil moisture image generated by TOPLATS. Plotted resolutions vary from 1 km (20 km) to 128 km (27 km). - "The Value of Coarse-Scale Soil Moisture Observations

More

The value of coarse-scale soil moisture observations for ...

The value of coarse-scale soil moisture observations for regional surface energy balance modeling. Wade T. Crow, Eric F. Wood . Civil Environmental Engineering; High Meadows Environmental Institute; Research output: Contribution to journal › Article › peer-review. 64 Scopus citations. Overview; Fingerprint; Abstract. Using high-resolution (1 km) hydrologic

More

The Value of Coarse-Scale Soil Moisture Observations for ...

One possible soil moisture downscaling procedure, based on an assumption of spatial scaling (i.e., a power-law relationship between statistical moments and scale), is demonstrated to improve TOPmodel-based Land?Atmosphere Transfer Scheme (TOPLATS) prediction of grid-scale surface energy fluxes derived from coarse-resolution soil moisture imagery.

More

The Value of Coarse-Scale Soil Moisture Observations for ...

The Value of Coarse-Scale Soil Moisture Observations for Regional Surface Energy Balance Modeling ... One possible soil moisture downscaling procedure, based on an assumption of spatial scaling (i.e., a power-law relationship between statistical moments and scale), is demonstrated to improve TOPmodel-based Land?Atmosphere Transfer Scheme (TOPLATS)

More

Copula-based downscaling of coarse-scale soil moisture ...

Copula-based downscaling of coarse-scale soil moisture observations with implicit bias correction. Niko E.C. Verhoest, Martinus Johannes Van Den Berg, Brecht Martens, Hans Lievens, Eric F. Wood, Ming Pan, Yann H. Kerr, Ahmad Al Bitar, Sat K. Tomer, Matthias Drusch, Hilde Vernieuwe, Bernard De Baets, Jeffrey P. Walker, Gift Dumedah, Valentijn R.N. Pauwels . Civil

More

Copula-based downscaling of coarse-scale soil moisture ...

Copula-based downscaling of coarse-scale soil moisture observations with implicit bias correction. Niko EC Verhoest, Martinus Johannes van den Berg, Brecht Martens, Hans Lievens, Eric F Wood, Ming Pan, Yann Henry Kerr, Ahmad Al Bitar, Sat Kumar Tomer, Matthias Drusch, H Vernieuwe, Bernard De Baets, Jeffrey Walker, Gift Dumedah, Valentijn Rachel Noel Pauwels.

More

Soil Moisture - an overview ScienceDirect Topics

Reviews about coarse-scale soil moisture remote sensing accuracies can be found in ... showed that the spatial and temporal patterns of large-scale soil moisture can be described by few main EOFs that were related to soil texture , topography, and land use. Because of the temporal dynamics of soil moisture and related hydrologic processes such as preferential

More

(PDF) The Value of Coarse-Scale Soil Moisture Observations

01.08.2002  The Value of Coarse-Scale Soil Moisture Observations for Regional Surface Energy Balance Modeling Journal of Hydrometeorology - United States doi 10.1175/1525-7541(2002)0032.0.co;2

More

The Value of Coarse-Scale Soil Moisture Observations for ...

One possible soil moisture downscaling procedure, based on an assumption of spatial scaling (i.e., a power-law relationship between statistical moments and scale), is demonstrated to improve TOPmodel-based Land?Atmosphere Transfer Scheme (TOPLATS) prediction of grid-scale surface energy fluxes derived from coarse-resolution soil moisture imagery.

More

Copula-based downscaling of coarse-scale soil moisture ...

Copula-based downscaling of coarse-scale soil moisture observations with implicit bias correction. Niko E.C. Verhoest, Martinus Johannes Van Den Berg, Brecht Martens, Hans Lievens, Eric F. Wood, Ming Pan, Yann H. Kerr, Ahmad Al Bitar, Sat K. Tomer, Matthias Drusch, Hilde Vernieuwe, Bernard De Baets, Jeffrey P. Walker, Gift Dumedah, Valentijn R.N. Pauwels . Civil

More

Copula-based downscaling of coarse-scale soil moisture ...

Copula-based downscaling of coarse-scale soil moisture observations with implicit bias correction. Niko EC Verhoest, Martinus Johannes van den Berg, Brecht Martens, Hans Lievens, Eric F Wood, Ming Pan, Yann Henry Kerr, Ahmad Al Bitar, Sat Kumar Tomer, Matthias Drusch, H Vernieuwe, Bernard De Baets, Jeffrey Walker, Gift Dumedah, Valentijn Rachel Noel Pauwels.

More

Integrating coarse-scale uncertain soil moisture data into ...

sensed soil moisture observations, that become available to update the model output. However, the scale triplet (spac- ing, extent and support) of these data is often inconsistent with that of the model. Furthermore, the external data can be cursed with epistemic uncertainty. Hence, a method is needed that not only integrates the external data into the model, but that

More

Regionalization of Coarse Scale Soil Moisture Products ...

Surface soil moisture (SSM) plays a critical role in many hydrological, biological and biogeochemical processes. It is relevant to farmers, scientists, and policymakers for making effective land management decisions. However, coarse spatial resolution and complex interactions of microwave radiation with surface roughness and vegetation structure present

More

Copula-based downscaling of coarse-scale soil moisture ...

01.01.2018  Soil moisture retrievals, delivered as a CATDS (Centre Aval de Traitement des Données SMOS) Level-3 product of the Soil Moisture and Ocean Salinity (SMOS) mission, form an important information source, particularly for updating land surface models. However, the coarse resolution of the SMOS product requires additional treatment if it is to be used in

More

Utility of coarse and downscaled soil moisture products at ...

Demonstrating the utility of satellite-based soil moisture (θ) products for hydrologic modeling at high resolution is a critical component of mission design. In this study, we utilize aircraft and ...

More

Development of observation-based global multilayer soil ...

A recent discussion on the evaluation of coarse-scale soil moisture datasets noted that neither in situ observations, which have limited coverage and a small spatial footprint, nor satellite and LSMs, which have retrieval or modeling errors, can be considered fully adequate for evaluation at the global scale; as such, a sound evaluation practice would require combining multiple

More

Wade Crow : USDA ARS - Agricultural Research Service

The value of coarse-scale soil moisture observations for regional surface energy balance modeling. Journal of Hydrometeorology. 3:467-482. 2002. Crow, W.T. and Wood, E.F. The assimilation of remotely sensed soil brightness temperature imagery into a land-surface model using ensemble Kalman filtering: a case study based on ESTAR measurements during

More