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RISApplying Scaled Vegetation Greenness Metrics to Constrain Simulated Transpiration Anomalies: A Study over Australia
Publisher: American Meteorological Society
Abstract: he feasibility of using vegetation greenness metrics as a proxy for transpiration variability over Australia is demonstrated. Several global evapotranspiration datasets, one of which provides transpiration data and is ...
Evaluating the Performance of Land Surface Models
Publisher: American Meteorological Society
Abstract: This paper presents a set of analytical tools to evaluate the performance of three land surface models (LSMs) that are used in global climate models (GCMs). Predictions of the fluxes of sensible heat, latent heat, and net ...
Systematic Bias in Land Surface Models
Publisher: American Meteorological Society
Abstract: A neural network?based flux correction technique is applied to three land surface models. It is then used to show that the nature of systematic model error in simulations of latent heat, sensible heat, and the net ecosystem ...
Neural Error Regression Diagnosis (NERD): A Tool for Model Bias Identification and Prognostic Data Assimilation
Publisher: American Meteorological Society
Abstract: Data assimilation in the field of predictive land surface modeling is generally limited to using observational data to estimate optimal model states or restrict model parameter ranges. To date, very little work has attempted ...
Evaluating the Effectiveness of Mitigation Options on Heat Stress for Sydney, Australia
Publisher: American Meteorological Society
Abstract: AbstractGlobal warming, in combination with the urban heat island effect, is increasing the temperature in cities. These changes increase the risk of heat stress for millions of city dwellers. Given the large populations ...
Impact of Land Surface Initialization Approach on Subseasonal Forecast Skill: A Regional Analysis in the Southern Hemisphere
Publisher: American Meteorological Society
Abstract: he authors use a sophisticated coupled land?atmosphere modeling system for a Southern Hemisphere subdomain centered over southeastern Australia to evaluate differences in simulation skill from two different land surface ...
Influence of Leaf Area Index Prescriptions on Simulations of Heat, Moisture, and Carbon Fluxes
Publisher: American Meteorological Society
Abstract: eaf area index (LAI), the total one-sided surface area of leaf per ground surface area, is a key component of land surface models. The authors investigate the influence of differing, plausible LAI prescriptions on heat, ...
Determining Robust Impacts of Land-Use-Induced Land Cover Changes on Surface Climate over North America and Eurasia: Results from the First Set of LUCID Experiments
Publisher: American Meteorological Society
Abstract: he project Land-Use and Climate, Identification of Robust Impacts (LUCID) was conceived to address the robustness of biogeophysical impacts of historical land use?land cover change (LULCC). LUCID used seven atmosphere?land ...
The Plumbing of Land Surface Models: Is Poor Performance a Result of Methodology or Data Quality?
Publisher: American Meteorological Society
Abstract: he Protocol for the Analysis of Land Surface Models (PALS) Land Surface Model Benchmarking Evaluation Project (PLUMBER) illustrated the value of prescribing a priori performance targets in model intercomparisons. It showed ...