REAL-Ensemble radar precipitation estimation for hydrology in a mountainous region

Ensemble radar precipitation estimation — a new topic on the radar horizon

The uncertainty in radar precipitation estimates is the superposition of errors of many different error sources such as ground clutter, hardware instability, beam shielding, beam broadening, variability in the hydrometeor phase and size distribution, and signal attenuation by water on the radome or in the atmosphere. In the past decade MeteoSwiss developed and implemented a series of sophistica...

7.2 Radar Precipitation Estimates in Mountainous Regions: Corrections for Partial Beam Blockage and General Radar Coverage Limitations

A Bayesian consistent dual ensemble Kalman filter for state-parameter estimation in subsurface hydrology

Ensemble Kalman filtering (EnKF) is an efficient approach to addressing uncertainties in subsurface groundwater models. The EnKF sequentially integrates field data into simulation models to obtain a better characterization of the model’s state and parameters. These are generally estimated following joint and dual filtering strategies, in which, at each assimilation cycle, a forecast step by the...

Application of NRCS-curve number method for runoff estimation in a mountainous watershed

The major problem in the assessment of relationships between rainfall and runoff occurs when a study is carried out in ungauged watersheds in the absence of hydro-climatic data. This study aims to evaluate the applicability of Natural Resources Conservation Service-Curve Number (NRCS-CN) method together with GIS in estimating runoff depth in a mountainous watershed. The study was carried out in...

Incorporating Satellite Precipitation Estimates into a Radar-Gauge Multi-Sensor Precipitation Estimation Algorithm

Yuxiang He 1,2,* ID , Yu Zhang 3, Robert Kuligowski 4, Robert Cifelli 5 and David Kitzmiller 1 1 Office of Water Prediction (OWP), National Weather Service (NWS), NOAA, Silver Spring, MD 20910, USA; [email protected] 2 University Corporation for Atmospheric Research (UCAR), Boulder, CO 80307, USA 3 University of Texas at Arlington, Arlington, Texas 76019, USA; [email protected] 4 NOAA/NE...