Weather radar detection of planetary boundary layer and smoke layer top of peatland fire in Central Kalimantan, Indonesia

被引：3

作者：

Rahman, Muhammad Arif ^{[1
]}

Nugroho, Devis Styo ^{[1
]}

Yamanaka, Manabu D. ^{[2
]}

Kawasaki, Masahiro ^{[2
,5
,6
]}

Kozan, Osamu ^{[2
,3
]}

Ohashi, Masafumi ^{[4
]}

Hashiguchi, Hiroyuki ^{[5
]}

Mori, Shuichi ^{[6
]}

机构：

[1] Indonesia Agcy Meteorol Climatol & Geophys BMKG, Jakarta 15138, Indonesia

[2] Res Inst Human & Nat, Kyoto 6038047, Japan

[3] Kyoto Univ, Ctr South East Asian Studies, Kyoto 6068501, Japan

[4] Kagoshima Univ, Dept Informat Sci & Biomed Engn, Kagoshima 8908580, Japan

[5] Kyoto Univ, Res Inst Sustainable Humanosphere, Uji 6110011, Japan

[6] Japan Agcy Marine Earth Sci & Technol, Yokosuka, Kanagawa 2370061, Japan

来源：

SCIENTIFIC REPORTS | 2021年 / 11卷 / 01期

关键词：

D O I：

10.1038/s41598-020-79486-6

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

During the dry period of August-October 2015, a C-band Doppler weather radar of the BMKG station in a fire-prone peatland area, Palangka Raya, detected echoes with reflectivity values between-19 and+34 dBZ at a height below 2-3 km and a slant range of 100 km. The MERRA-2/NASA atmospheric reanalysis database is used to obtain the vertical profiles of refractive index and equivalent potential temperature of the air. The temporal variation of the radar image is due to the tropical diurnal cycle of planetary boundary layer formation, which is consistent with the results of the database analysis. The echo images are discussed in terms of Bragg scattering of microwaves at the top of the planetary boundary layer. Weather radar monitoring of the fire smoke layer-top images has a potential feasibility to support real-time management of peatland fires.

引用

页数：9

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