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This paper focuses on the estimation of heat energy exchange between land and air using MODIS data in Poyang Lake area of Jiangxi Province. Based on energy balance equation, net radiation including net longwave and shortwave radiation, sensible heat flux, latent heat flux and ground heat flux are the major components of energy balance. In this paper, the net longwave radiation, net shortwave radiation,...
NASA has organized a worldwide Aerosol Robotic Network (AERONET) of Sun photometers. These well characterized instruments (CIMEL Sun photometer) make aerosol optical depth measurements based on the transmission of the direct sunlight through the atmosphere in 5 and 8 spectral bands. AERONET aerosol retrievals are limited to clear sky conditions (no clouds or no cirrus clouds) and retrieve aerosol...
The implications of climatic effects due to aerosols with a large variability like mineral dust serve as indicators of dust events and are examined. Airborne mineral dust can influence the climate by altering the radiative properties of the atmosphere. For instance, aerosols in the form of dust particles reflect the incoming solar radiation to space, thereby reducing the amount of radiation available...
Temperature inversion indicates that the atmospheric temperature decreases with increasing height. Its occurrence tends to inhibit vertical motion of the atmosphere. Under the occurrence of temperature inversion, air pollutants cannot be dissipated through vertical mixing of the atmosphere and are accumulated near the surface. When temperature inversion lasts for a long time, human health can be in...
Improvements to NASA Surface Meteorology and Solar Energy (SSE) web site are now being made through the Prediction of Worldwide Energy Resource (POWER) project under NASA Science Mission Directorate Applied Science Energy Management Program. The purpose of this project is to tailor NASA Science Mission results for energy sector applications and decision support systems. The current status of SSE and...
The seasonal snowpack across the boreal forest is an important national resource in both Canada and Finland, contributing freshwater for agriculture, human consumption, and hydropower generation. In both countries, satellite passive microwave data are utilized to provide operational information on snow depth (SD) and snow water equivalent (SWE) throughout the snow cover season. Airborne passive microwave...
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