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An examination of convective moistening of the lower stratosphere using satellite data

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In this paper, we use satellite data to test the hypothesis that deep convection moistens the
lower stratosphere. Water vapor measurements from Earth Observing System-Microwave Limb Sounder
and Atmospheric Chemistry Experiment-Fourier Transform Spectrometer over North America are binned
according to the International Satellite Cloud Climatology Project deep convection indices. The results show
that in the North American region (50–112°W, 10–50°N) the convection-impacted samples are significantly
moister than the nonimpact samples in the lowermost stratospheric layer right above the tropopause, and a
drier tendency is also noticed right above this moistened layer. Trajectory modeling is used to aid the
identification of deep convection-impacted water vapor samples. However, we find that a substantial fraction
of high-concentration (>8 ppmv) samples at 100 hPa cannot be attributed to nearby deep convections.

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Informasi Detail

Judul Seri

Earth and Space Science

No. Panggil

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Penerbit

Canada : Agu Publications., 2015

Deskripsi Fisik

Earth and Space Science, 2

Bahasa

English

ISBN/ISSN

DOI: 10.1002/2015EA0

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

-

Edisi

2

Subjek

TEKNIK

Info Detail Spesifik

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Pernyataan Tanggungjawab

Dody

Versi lain/terkait

Lampiran Berkas

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