Tracking Shallow Convective Mixing and Its Influence on Low‐Level Clouds With Stable Water Isotopes in Vapor

Hu, Jun; Bailey, Adriana; Nusbaumer, Jesse; Dee, Sylvia; Sasser, Christiana; Worden, John

doi:10.1029/2021jd035355

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Tracking Shallow Convective Mixing and Its Influence on Low‐Level Clouds With Stable Water Isotopes in Vapor

2022
By Hu, Jun ; Bailey, Adriana ; Nusbaumer, Jesse ; ...
Source: Journal of Geophysical Research: Atmospheres, 127(5)

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Journal Title:

Journal of Geophysical Research: Atmospheres
Personal Author:

Hu, Jun ; Bailey, Adriana ; Nusbaumer, Jesse ; Dee, Sylvia ; Sasser, Christiana ; ... More +

Hu, Jun ; Bailey, Adriana ; Nusbaumer, Jesse ; Dee, Sylvia ; Sasser, Christiana ; Worden, John Less -
NOAA Program & Office:

CESSRST (Cooperative Science Center for Earth System Sciences and Remote Sensing Technologies)
Description:

Low-cloud feedbacks contribute large uncertainties to climate projections and estimated climate sensitivity. A key physical process modulating low-cloud feedbacks is shallow convective mixing between the boundary layer and the free troposphere. However, there are challenges in acquiring observational constraints of shallow convective mixing with global coverage. To this end, we propose a novel approach to constraining convective mixing using stable water vapor isotope profiles from satellite retrievals. We demonstrate that the vertical gradient of water vapor δD between the boundary layer and free troposphere can be used to track shallow convective mixing. Analyzing isotopes in water vapor alongside low-cloud properties from satellite
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Atmospheric Science Earth And Planetary Sciences (miscellaneous) Geophysics Space And Planetary Science
Source:

Journal of Geophysical Research: Atmospheres, 127(5)
DOI:

https://doi.org/10.1029/2021jd035355
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2169-897X;2169-8996;
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PDF
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American Geophysical Union (AGU)
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Journal Article
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urn:sha256:5fe791bf87201a018bd9b173f37569163dfce73c5e12ec123ca17f0978069a78
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https://repository.library.noaa.gov/view/noaa/53491/noaa_53491_DS1.pdf
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