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Encyclopedia of International Space Agencies /
Published 2012“…NASA science is focused on better understanding Earth through the Earth Observing System, advancing heliophysics through the efforts of the Science Mission Directorate's Heliophysics Research Program, exploring bodies throughout the Solar System with advanced robotic missions such as New Horizons, and researching astrophysics topics, such as the Big Bang, through the Great Observatories and associated programs. …”
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Examination of various-order adjoint-based approximations of observation impact
Published 2007-12-01“…Various-order adjoint-based approximations of observation impact are examined in this context using adjoint versions of the NASA Goddard Earth Observing System (GEOS) atmospheric data assimilation system. …”
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Using an Explainable Machine Learning Approach to Characterize Earth System Model Errors: Application of SHAP Analysis to Modeling Lightning Flash Occurrence
Published 2022-04-01“…We use XGBoost classification trees and SHapley Additive exPlanations analysis to explore the errors in the prediction of lightning occurrence in the NASA Goddard Earth Observing System model, a widely used Earth System Model. …”
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Dynamics and attitude control of space-based synthetic aperture radar
Published 2023-02-01Get full text
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Observation of Atmospheric Water Vapors Using AIRS
Published 2009-12-01“…The Atmospheric Infrared Sounder (AIRS) aboard the Aqua satellite, which is one of the Earth Observing System satellites managed by National Aeronautics and Space Administration, provides global measurements of the water vapor in the atmosphere using infrared (IR) channels. …”
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Study of the Effect of Temporal Sampling Frequency on DSCOVR Observations Using the GEOS-5 Nature Run Results (Part I): Earth’s Radiation Budget
Published 2016-01-01“…The output from NASA’s Goddard Earth Observing System Version 5 (GEOS-5) Nature Run is used as the truth. …”
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Status of Earth Observation and Remote Sensing Applications in Svalbard
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Development of an operational land water mask for MODIS Collection 6, and influence on downstream data products
Published 2017-02-01“…Data from the Moderate Resolution Imaging Spectro-radiometer (MODIS) on-board the Earth Observing System Terra and Aqua satellites are processed using a land water mask to determine when an algorithm no longer needs to be run or when an algorithm needs to follow a different pathway. …”
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Traceable Radiometry Underpinning Terrestrial- and Helio-Studies (TRUTHS): An Element of a Space-Based Climate and Calibration Observatory
Published 2020-07-01“…TRUTHS will not only provide a benchmark of the radiation state of the planet (incoming and outgoing) from which to compare change in the shortest time possible, but also facilitate an upgrade in performance of the Earth Observing system as a whole, through ‘in-orbit’ reference calibration.…”
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Automatic variable selection in ecological niche modeling: A case study using Cassin’s Sparrow (Peucaea cassinii)
Published 2022-01-01“…It also selected biologically and ecologically plausible predictors from a more diverse set of 86 environmental variables derived from NASA’s Modern-Era Retrospective Analysis for Research and Applications Version 2 (MERRA-2) reanalysis, an output product of the Goddard Earth Observing System Version 5 (GEOS-5) modeling system. …”
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Koopman-inspired approach for identification of exogenous anomalies in nonstationary time-series data
Published 2023-01-01“…We demonstrate our proposed method on the important real-world task of global atmospheric pollution monitoring, integrating it with NASA’s Global Earth Observing System Model. The system successfully detects localized anomalies in air quality due to events such as COVID-19 lockdowns and wildfires.…”
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IOSPReD: I/O Specialized Packaging of Reduced Datasets and Data-Intensive Applications for Efficient Reproducibility
Published 2023-01-01“…The data generated by large scale scientific systems such as NASA’s Earth Observing System Data and Information System is expected to increase substantially. …”
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Analysis of Spatial-Temporal Variation of Agricultural Drought and Its Response to ENSO over the Past 30 Years in the Huang-Huai-Hai Region, China
Published 2013-01-01“…This study constructed a time series of the seasonal Temperature Vegetation Dryness Index (TVDI) based on a remotely sensed dataset from the National Oceanic and Atmospheric Administration/Advanced Very High Resolution Radiometer (NOAA/AVHRR) and Earth Observing System/Moderate Resolution Imaging Spectroradiometer (EOS/MODIS). …”
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High-Resolution Fengyun-4 Satellite Measurements of Dynamical Tropopause Structure and Variability
Published 2020-05-01“…By comparison with GEOS-5 (the Goddard Earth Observing System Model of version 5) and ERA-Interim (European Center for Medium-Range Weather Forecasts Reanalysis-Interim) reanalysis, it is found that among the four schemes, the RF-based retrieval model is most accurate and reliable (RMSEs (root mean square errors) are 25.99 hPa and 43.05 hPa, respectively, as compared to GEOS-5 and ERA-Interim reanalysis). …”
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Extraction of Roof Feature Lines Based on Geometric Constraints from Airborne LiDAR Data
Published 2023-11-01“…Airborne LiDAR (Light Detection and Ranging) is an active Earth observing system, which can directly acquire high-accuracy and dense building roof data. …”
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The Novel Microwave Temperature Vegetation Drought Index (MTVDI) Captures Canopy Seasonality across Amazonian Tropical Evergreen Forests
Published 2021-01-01“…In this paper, a new Microwave Temperature–Vegetation Drought Index (MTVDI) based on Advanced Microwave Scanning Radiometer for the Earth Observing System (AMSR-E) sensors was used to capture the canopy seasonality from 2003 to 2010 in comparison with four climatic dryness indicators (Palmer Drought Severity Index (PDSI), Climatological Water Deficit (CWD), Terrestrial Water Storage (TWS), Vapor Pressure Deficit (VPD)) and two photosynthesis proxies (Enhanced Vegetation Index (EVI) and Solar-Induced chlorophyll Fluorescence (SIF)), respectively. …”
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A New Approach for Soil Moisture Downscaling in the Presence of Seasonal Difference
Published 2020-08-01“…SM products derived from Advanced Microwave Scanning Radiometer–Earth Observing System (AMSR-E) and Advanced Microwave Scanning Radiometer 2 (AMSR2) were downscaled with the help of machine learning algorithms. …”
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Monitoring agricultural land areas using GIS-online program EOS DA: case study of Andijan region
Published 2023-01-01“…This research aims to look at the use of Earth observing system data analytics (EOS DA), an interactive online system, for agricultural land monitoring in Uzbekistan. …”
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