Sökning: WFRF:(Rahaman Hasibur) >
Quantifying uncerta...
Quantifying uncertainties in CERES/MODIS Downwelling radiation fluxes in the global tropical oceans
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- Thandlam, Venugopal, Mr. 1987- (författare)
- Uppsala universitet,Luft-, vatten- och landskapslära,CEMUS Research Forum, CEFO,Department of Meteorology and Oceanography, Andhra Pradesh, India.
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- Rutgersson, Anna, 1971- (författare)
- Uppsala universitet,Luft-, vatten- och landskapslära,Centre of Natural Hazards and Disaster Science (CNDS), Uppsala University, Uppsala, Sweden.
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- Rahaman, Hasibur (författare)
- ESSO-Indian National Centre for Ocean Information Services (INCOIS), Hyderabad, India.
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- Yabaku, Mounika (författare)
- Uppsala universitet,Institutionen för informationsteknologi
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- Kaagita, Venkatramana (författare)
- The Energy and Resources Institute, New Delhi, India.;Department of Physics, Sri Venkateshwara University, Tirupati, India.
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- Sakirevupalli, Venkatramana Reddy (författare)
- Department of Physics, Sri Venkateshwara University, Tirupati, India.
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(creator_code:org_t)
- American Association for the Advancement of Science (AAAS), 2023
- 2023
- Engelska.
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Ingår i: Ocean-Land-Atmosphere Research. - : American Association for the Advancement of Science (AAAS). - 2771-0378. ; 2
- Relaterad länk:
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https://doi.org/10.3...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- The Clouds and the Earth's Radiant Energy System program, which uses the Moderate Resolution Imaging Spectroradiometer (CM), has been updated with the launch of new satellites and the availability of newly upgraded radiation data. The spatial and temporal variability of daily averaged synoptic 1-degree CM version 3 (CMv3) (old) and version 4 (CMv4) (new) downwelling shortwave (QS) and longwave radiation (QL) data in the global tropical oceans spanning 30°S–30°N from 2000 to 2017 is investigated. Daily in situ data from the Global Tropical Moored Buoy Array were used to validate the CM data from 2000 to 2015. When compared to CMv3, both QS and QL in CMv4 show significant improvements in bias, root-mean-square error, and standard deviations. Furthermore, a long-term trend analysis shows that QS has been increasing by 1 W m−2 per year in the Southern Hemisphere. In contrast, the Northern Hemisphere has a −0.7 W m−2 annual decreasing trend. QS and QL exhibit similar spatial trend patterns. However, in the Indian Ocean, Indo-Pacific warm pool region, and Southern Hemisphere, QL spatial patterns in CMv3 and CMv4 differ with an opposite trend (0.5 W m−2). These annual trends in QS and QL could cause the sea surface temperature to change by −0.2 to 0.3 °C per year in the tropical oceans. These results stress the importance of accurate radiative flux data, and CMv4 can be an alternative to reanalysis or other model-simulated data.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
Nyckelord
- Earth Science with specialization in Environmental Analysis
- Geovetenskap med inriktning mot miljöanalys
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