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Determining the Frequency of Dry Lake Bed Formation in Semi-Arid Mongolia From Satellite Data
http://hdl.handle.net/10659/00005947
http://hdl.handle.net/10659/00005947e1616bf9-07fc-43fc-816e-ae228be4ecd6
名前 / ファイル | ライセンス | アクション |
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R-2018-305_hoshino.pdf (5.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-08-08 | |||||
タイトル | ||||||
タイトル | Determining the Frequency of Dry Lake Bed Formation in Semi-Arid Mongolia From Satellite Data | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | dry lake beds | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | dust storm emission | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | remote sensing | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Gobi Desert region | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | dry lake beds | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | dust storm emission | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | remote sensing | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Gobi Desert region | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Demura, Yuta
× Demura, Yuta× 星野, 仏方× 馬場, 賢治× McCarthy, Christopher× Sofue, Yuki× Kai, Kenji× Purevsuren, Tsedendamba× 萩原, 克郎× 能田, 淳 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In the Mongolian Plateau, the desert steppe, mountains, and dry lake bed surfaces may affect the process of dust storm emissions. Among these three surface types, dry lake beds are considered to contribute a substantial amount of global dust emissions and to be responsible for “hot spots” of dust outbreaks. The land cover types in the study area were broadly divided into three types, namely desert steppe, mountains, and dry lake beds, by a classification based on Normalized Difference Water Index (NDWI) calculated from MODIS Terra satellite images, and Digital Elevation Model (DEM). This dry lake beds extracting method using remote sensing offers a new technique for identifying dust hot spots and potential untapped groundwater in the dry lands of the Gobi region. In the study area, frequencies of dry lake bed formation were calculated during the period of 2001 to 2014. The potential dry lake area corresponded well with the length of the river network based on hydrogeological characterization (R2 = 0.77, p < 0.001). We suggest that the threshold between dry lake bed areas and the formation of ephemeral lakes in semi-arid regions is eight days of total precipitation. | |||||
書誌情報 |
Land 巻 6, 号 4, p. 88-1-88-9, 発行日 2017 |
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DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | http://dx.doi.org/10.3390/land6040088 | |||||
権利 | ||||||
権利情報 | © 2017 by the authors. Licensee MDPI, Basel, Switzerland. | |||||
権利(URI) | ||||||
権利情報 | https://creativecommons.org/licenses/by/4.0/ | https://creativecommons.org/licenses/by/4.0/ | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | MDPI | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article |