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RISBias Correction of Climate Modeled Temperature and Precipitation Using Artificial Neural Networks
Publisher: American Meteorological Society
Abstract: AbstractClimate studies and effective environmental management require unbiased climate datasets. This study develops a new bias correction approach using a three-layer feedforward neural network to reduce the biases of ...
An Extremum Solution of the Monin–Obukhov Similarity Equations
Publisher: American Meteorological Society
Abstract: An extremum hypothesis of turbulent transport in the atmospheric surface layer is postulated. The hypothesis has led to a unique solution of Monin?Obukhov similarity equations in terms of simple expressions linking shear ...
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Publisher: American Meteorological Society
Comparing Reanalyses Using Analysis Increment Statistics
Publisher: American Meteorological Society
Abstract: Reanalysis data are an important source of information for hydrometeorology applications, which use data assimilation to combine an imperfect atmospheric model with uncertain observations. However, uncertainty estimates ...
Distributed Quantitative Precipitation Forecasting Using Information from Radar and Numerical Weather Prediction Models
Publisher: American Meteorological Society
Abstract: The benefits of short-term (1?6 h), distributed quantitative precipitation forecasts (DQPFs) are well known. However, this area is acknowledged to be one of the most challenging in hydrometeorology. Previous studies suggest ...
Effects of Weather Variability and Soil Parameter Uncertainty on the Soil-Crop-Climate System
Publisher: American Meteorological Society
Abstract: The variability of crop and soil states due to uncertain climatic inputs and soil properties is quantified using a mathematical representation of the physiological, biochemical, hydrological, and physical processes related ...
Estimates of Net Atmospheric Moisture Flux Convergence over the Amazon Basin: A Comparison of Reanalysis Products
Publisher: American Meteorological Society
Abstract: Estimates of the net convergence of atmospheric moisture flux over the Amazon Basin, [C], derived using data products from three global reanalyses, the NCEP?NCAR reanalysis (NCEP-1), the NCEP/Department of Energy reanalysis ...
Climatological Basin-Scale Amazonian Evapotranspiration Estimated through a Water Budget Analysis
Publisher: American Meteorological Society
Abstract: Spatially averaged evapotranspiration [ET] over the Amazon Basin is computed as the residual of the basin?s atmospheric water balance equation, at the monthly time scale and for the period 1988?2001. Basin-averaged rainfall ...
Growth and Decay of Error in a Numerical Cloud Model Due to Small Initial Perturbations and Parameter Changes
Publisher: American Meteorological Society
Abstract: The behavior of a numerical cloud model is investigated in terms of its sensitivity to perturbations with two kinds of lateral boundary conditions: 1) with cyclic lateral boundary conditions, the model is sensitive to many ...
Analysis of Darwin Rainfall Data: Implications on Sampling Strategy
Publisher: American Meteorological Society
Abstract: Rainfall data collected by radar in the vicinity of Darwin, Australia, have been analysed in terms of their mean, variance, autocorrelation of area-averaged rain rate, and diurnal variation. It is found that, when compared ...