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DOI10.1146/annurev-marine-010816-060704
Global air-sea fluxes of heat; fresh water; and momentum: Energy budget closure and unanswered questions
Yu L.
发表日期2019
ISSN1941-1405
起始页码227
结束页码248
卷号11
英文摘要The ocean interacts with the atmosphere via interfacial exchanges of momentum, heat (via radiation and convection), and fresh water (via evaporation and precipitation). These fluxes, or exchanges, constitute the ocean-surface energy and water budgets and define the ocean's role in Earth's climate and its variability on both short and long timescales. However, direct flux measurements are available only at limited locations. Air-sea fluxes are commonly estimated from bulk flux parameterization using flux-related near-surface meteorological variables (winds, sea and air temperatures, and humidity) that are available from buoys, ships, satellite remote sensing, numerical weather prediction models, and/or a combination of any of these sources. Uncertainties in parameterization-based flux estimates are large, and when they are integrated over the ocean basins, they cause a large imbalance in the global-ocean budgets. Despite the significant progress that has been made in quantifying surface fluxes in the past 30 years, achieving a global closure of ocean-surface energy and water budgets remains a challenge for flux products constructed from all data sources. This review provides a personal perspective on three questions: First, to what extent can time-series measurements from air-sea buoys be used as benchmarks for accuracy and reliability in the context of the budget closures? Second, what is the dominant source of uncertainties for surface flux products, the flux-related variables or the bulk flux algorithms? And third, given the coupling between the energy and water cycles, precipitation and surface radiation can act as twin budget constraints - are the community-standard precipitation and surface radiation products pairwise compatible? © Copyright 2019 by Annual Reviews. All rights reserved.
英文关键词air-sea buoy measurements; air-sea freshwater flux; air-sea heat flux; atmospheric reanalysis; global-ocean energy budget; global-ocean freshwater budget; satellite observations; wind stress
语种英语
scopus关键词Atmospheric humidity; Atmospheric temperature; Buoys; Heat flux; Interfacial energy; Oceanography; Parameter estimation; Remote sensing; Surface measurement; Uncertainty analysis; Water; Weather forecasting; Wind stress; Air-sea heat flux; Atmospheric reanalysis; Buoy measurements; Freshwater fluxes; Global ocean; Satellite observations; Budget control; air-sea interaction; algorithm; buoy system; energy budget; flux measurement; freshwater; global ocean; heat flux; momentum transfer; parameterization; satellite data; surface energy; water budget; wind stress; fresh water; atmosphere; climate; heat; reproducibility; sea; ship; wind; Atmosphere; Climate; Fresh Water; Hot Temperature; Oceans and Seas; Reproducibility of Results; Ships; Wind
来源期刊Annual Review of Marine Science
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/161985
作者单位Department of Physical Oceanography, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, United States
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Yu L.. Global air-sea fluxes of heat; fresh water; and momentum: Energy budget closure and unanswered questions[J],2019,11.
APA Yu L..(2019).Global air-sea fluxes of heat; fresh water; and momentum: Energy budget closure and unanswered questions.Annual Review of Marine Science,11.
MLA Yu L.."Global air-sea fluxes of heat; fresh water; and momentum: Energy budget closure and unanswered questions".Annual Review of Marine Science 11(2019).
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