globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.atmosres.2018.09.007
Scopus ID: 2-s2.0-85053780945
Precipitable water vapor over oceans from the Maritime Aerosol Network: Evaluation of global models and satellite products under clear sky conditions
Author: Pérez-Ramírez D.; Smirnov A.; Pinker R.T.; Petrenko M.; Román R.; Chen W.; Ichoku C.; Noël S.; Abad G.G.; Lyamani H.; Holben B.N.
Source Publication: Atmospheric Research
ISSN: 1698095
Publishing Year: 2019
Volume: 215
pages begin: 294
pages end: 304
Language: 英语
Scopus Keyword: Aerosols ; Infrared devices ; Infrared instruments ; Radiometers ; Satellite imagery ; Spectrometers ; Statistics ; Temperature measurement ; Uncertainty analysis ; Water absorption ; Water vapor ; Weather forecasting ; Brightness temperature measurement ; European centre for medium-range weather forecasts ; Global ozone monitoring experiments ; Ground based measurement ; Moderate resolution imaging spectroradiometer ; Research and application ; Scanning imaging absorption spectrometer for atmospheric chartography ; Water vapor absorption bands ; Climate models ; AIRS ; clear sky ; GOME ; latitude ; marine atmosphere ; MODIS ; polar region ; POLDER ; precipitable water ; satellite imagery ; SCIAMACHY ; tropical region ; water vapor
English Abstract: We present results from an evaluation of precipitable water vapor (W) over remote oceanic areas as derived from global reanalysis models and from satellites against observations from the Maritime Aerosol Network (MAN) for cloudless skies during the period of 2004–2017. They cover polar, mid latitude and tropical oceanic regions and represent a first effort to use MAN observations for such evaluation. The global reanalysis model products evaluated in this study are from the Modern-Era Retrospective analysis for Research and Applications Version 2 (MERRA-2), the European Centre for Medium-Range Weather Forecasts (ECMWF) Interim Reanalysis (ERA I), and the Climate Forecast System Reanalysis (CFSR) model. The satellite products evaluated are from the Moderate Resolution Imaging Spectroradiometer (MODIS), the Polarization and Directionality of the Earth's Reflectances (POLDER), the Global Ozone Monitoring Experiment (GOME-2), the Scanning Imaging Absorption Spectrometer for Atmospheric Chartography (SCIAMACHY), and the Atmospheric Infra-red Sounder (AIRS). Satellite retrievals of W are based on the attenuation of solar reflected light by water vapor absorption bands, except those from AIRS that rely on brightness temperature measurements. A very good agreement is observed between the model estimates and MAN, with mean differences of ~5% and standard deviations of ~15%. These results are within the uncertainties associated with the models and the measurements, indicating the skill of the reanalysis models to estimate W over oceans under clear sky conditions. Mean differences of W between the satellite and MAN products are ~11, 6.7, 12, −7, and 3% for MODIS, POLDER, GOME-2, SCIAMACHY and AIRS respectively, while their standard deviations are 31, 29, 28, 20 and 17%. These differences reveal the need to address inconsistencies among different satellite sensors and ground-based measurements to reduce the uncertainties associated with the retrievals. © 2018 Elsevier B.V.
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Document Type: 期刊论文
Appears in Collections:影响、适应和脆弱性

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Affiliation: Applied Physics Department, University of Granada, Granada, Spain; Andalusian Institute for Earth System Research (IISTA), Granada, Spain; NASA Goddard Space Flight Center, Greenbelt, MD, United States; Science Systems and Applications, Inc., Lanham, MD, United States; Department of Atmospheric and Oceanic Science, University of Maryland, College Park, MD, United States; ADNET Systems Inc, Bethesda, MD, United States; Atmospheric Optics Group, University of Valladolid, Valladolid, Spain; Institute of Environmental Physics, University of Bremen, Bremen, Germany; Harvard Smithsonian Center for Astrophysics, Cambridge, MA, United States

Recommended Citation:
Pérez-Ramírez D.,Smirnov A.,Pinker R.T.,et al. Precipitable water vapor over oceans from the Maritime Aerosol Network: Evaluation of global models and satellite products under clear sky conditions[J]. Atmospheric Research,2019-01-01,215
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