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RISThe Importance of Classification Differences and Spatial Resolution of Land Cover Data in the Uncertainty in Model Results over Boreal Ecosystems
Publisher: American Meteorological Society
Abstract: One of the governing scientific objectives of the Boreal Ecosystem?Atmosphere Study (BOREAS) is the development of methods for applying process models over large spatial scales using remote sensing and other integrative ...
Improvement of Modeled Soil Wetness Conditions and Turbulent Fluxes through the Assimilation of Observed Discharge
Publisher: American Meteorological Society
Abstract: The objective of this paper is to improve the performance of a hydrologic model through the assimilation of observed discharge. Since an observation of discharge at a certain time is always influenced by the catchment ...
Continuous Time Series of Catchment-Averaged Sensible Heat Flux from a Large Aperture Scintillometer: Efficient Estimation of Stability Conditions and Importance of Fluxes under Stable Conditions
Publisher: American Meteorological Society
Abstract: large aperture scintillometer (LAS) observes the intensity of the atmospheric turbulence across large distances, which is related to the path-averaged sensible heat flux H. In this paper, two problems in the derivation of ...
Identification of Hydrologic Models, Optimized Parameters, and Rainfall Inputs Consistent with In Situ Streamflow and Rainfall and Remotely Sensed Soil Moisture
Publisher: American Meteorological Society
Abstract: AbstractAn increased understanding of the uncertainties present in rainfall time series can lead to improved confidence in both short- and long-term streamflow forecasts. This study presents an analysis that considers ...
Adaptive Soil Moisture Profile Filtering for Horizontal Information Propagation in the Independent Column-Based CLM2.0
Publisher: American Meteorological Society
Abstract: Data assimilation aims to provide an optimal estimate of the overall system state, not only for an observed state variable or location. However, large-scale land surface models are typically column-based and purely random ...
Global Calibration of the GEOS-5 L-Band Microwave Radiative Transfer Model over Nonfrozen Land Using SMOS Observations
Publisher: American Meteorological Society
Abstract: zero-order (tau-omega) microwave radiative transfer model (RTM) is coupled to the Goddard Earth Observing System, version 5 (GEOS-5) catchment land surface model in preparation for the future assimilation of global brightness ...
Satellite-Scale Snow Water Equivalent Assimilation into a High-Resolution Land Surface Model
Publisher: American Meteorological Society
Abstract: Four methods based on the ensemble Kalman filter (EnKF) are tested to assimilate coarse-scale (25 km) snow water equivalent (SWE) observations (typical of passive microwave satellite retrievals) into finescale (1 km) land ...