Topic
Weather station
About: Weather station is a research topic. Over the lifetime, 1789 publications have been published within this topic receiving 42864 citations. The topic is also known as: meteorological station & meteorological observation post.
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TL;DR: An approach to retrieve daily minimum and maximum 2-m height air temperatures from 18.8 GHz H and V polarized brightness temperature from the Advanced Microwave Scanning Radiometer for EOS (AMSR-E) during the snow free season is presented.
Abstract: We present an approach to retrieve daily minimum and maximum 2-m height air temperatures from 18.7, and 23.8 GHz H and V polarized brightness temperature from the Advanced Microwave Scanning Radiometer for EOS (AMSR-E) during the snow free season. The approach accounts, with minimal ancillary data, for vertically integrated atmospheric water vapor, and variable surface emissivity due to open water and vegetation. Retrieved temperatures were evaluated using Northern Hemisphere weather stations and independent satellite-based air temperatures from the Atmosphere Infrared Sounder and Advanced Microwave Sounding Unit (AIRS/AMSU; hereafter AIRS) sensors on Aqua. The retrieved temperatures are within 1.0 - 3.5 K of surface weather station measurements for vegetated locations, but uncertainty can exceed 4 K for desert and sparsely vegetated regions, mainly due to site to site biases. The AIRS and AMSR-E temperature retrievals generally agree more closely with one another than with weather stations and are generally within 1.0-2.8 K over vegetated regions, but with less agreement ( > 4 K ) over desert and mountainous regions. Additional useful information produced by our approach includes open water fraction, vegetation optical depth and atmospheric water vapor. The results of this study provide inputs for land surface models and a new approach for monitoring of land surface air temperatures with well quantified accuracy and precision.
98 citations
TL;DR: In this article, the authors provide more complete documentation of published evapotranspiration (ET) information, including description of field procedures, instrumentation, data filtering, model parameterization, and site review.
97 citations
TL;DR: In this article, the authors used passive acoustic data collected from the Integrated Marine Observing System (IMOS) at Rottnest Island in Western Australia to characterize and quantify the marine soundscape between 5 and 3000 Hz.
95 citations
TL;DR: It is shown that the forecasting accuracy can be improved by removing the constraint on the fixed number of weather stations, and the unconstrained approach is compared with four other alternatives based on the common practice.
94 citations
TL;DR: In this article, three temperature-based ET models are evaluated in the Taita Hills, Kenya, which is a particularly important region from the environmental conservation point of view, and the results indicate that the Hargreaves model is the most appropriate for this particular study area, with an average RMSE of 0.47mmd −1, and a correlation coefficient of0.67.
94 citations