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  1. Latitudinal gradient of spruce forest understory and tundra phenology in Alaska as observed from satellite and ground-based data

Latitudinal gradient of spruce forest understory and tundra phenology in Alaska as observed from satellite and ground-based data

Dates

Year
2016

Citation

Kobayashi, Hideki, Yunus, Ali P., Nagai, Shin, Sugiura, Konosuke, Kim, Yongwon, Van Dam, Brie, Nagano, Hirohiko, Zona, Donatella, Harazono, Yoshinobu, Bret-Harte, M. Syndonia, Ichii, Kazuhito, Ikawa, Hiroki, Iwata, Hiroki, Oechel, Walter C., Ueyama, Masahito, and Suzuki, Rikie, 2016, Latitudinal gradient of spruce forest understory and tundra phenology in Alaska as observed from satellite and ground-based data: Remote Sensing of Environment, v. 177, p. 160-170.

Summary

The latitudinal gradient of the start of the growing season (SOS) and the end of the growing season (EOS) were quantified in Alaska (61°N to 71°N) using satellite-based and ground-based datasets. The Alaskan evergreen needleleaf forests are sparse and the understory vegetation has a substantial impact on the satellite signal. We evaluated SOS and EOS of understory and tundra vegetation using time-lapse camera images. From the comparison of three SOS algorithms for determining SOS from two satellite datasets (SPOT-VEGETATION and Terra-MODIS), we found that the satellite-based SOS timing was consistent with the leaf emergence of the forest understory and tundra vegetation. The ensemble average of SOS over all satellite algorithms can [...]

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Author :
Kobayashi, Hideki, Yunus, Ali P., Nagai, Shin, Sugiura, Konosuke, Kim, Yongwon, Van Dam, Brie, Nagano, Hirohiko, Zona, Donatella, Harazono, Yoshinobu, Bret-Harte, M. Syndonia, Ichii, Kazuhito, Ikawa, Hiroki, Iwata, Hiroki, Oechel, Walter C., Ueyama, Masahito, Suzuki, Rikie

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  • Northwest Boreal Landscape Conservation Cooperative

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DOI http://sciencebase.gov/vocab/identifierScheme 10.1016/j.rse.2016.02.020
ISSN http://sciencebase.gov/vocab/identifierScheme 00344257

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citationTypeJournal Article
journalRemote Sensing of Environment
parts
typeNotes
valueKobayashi, Hideki 1; Email Address: hkoba@jamstec.go.jp; Yunus, Ali P. 1,2; Nagai, Shin 1; Sugiura, Konosuke 1,3; Kim, Yongwon 4; Van Dam, Brie 5; Nagano, Hirohiko 4; Zona, Donatella 6,7; Harazono, Yoshinobu 4,8; Bret-Harte, M. Syndonia 5; Ichii, Kazuhito 1; Ikawa, Hiroki 4; Iwata, Hiroki 9; Oechel, Walter C. 6,10; Ueyama, Masahito 8; Suzuki, Rikie 1; Affiliations: 1: Department of Environmental Geochemical Cycle Research, Japan Agency for Marine-Earth Science and Technology, Japan; 2: Department of Natural Environmental Studies, The University of Tokyo, Japan; 3: Center for Far Eastern Studies, University of Toyama, Japan; 4: International Arctic Research Center, University of Alaska Fairbanks, Alaska, United States; 5: Toolik Field Station, Institute of Arctic Biology, University of Alaska, Fairbanks, United States; 6: Global Change Research Group, San Diego State University, United States; 7: Department of Animal and Plant Science, University of Sheffield, UK; 8: Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Japan; 9: Faculty of Science, Shinshu University, Japan; 10: Department of Environment, Earth, and Ecosystems, Open University, Milton Keynes, UK; Issue Info: May2016, Vol. 177, p160; Thesaurus Term: FORESTS & forestry; Thesaurus Term: SPRUCE; Thesaurus Term: TUNDRA ecology; Thesaurus Term: PLANT phenology; Subject Term: NATURAL satellites; Subject: ALASKA; Author-Supplied Keyword: Alaska; Author-Supplied Keyword: Autumn phenology; Author-Supplied Keyword: Boreal forest; Author-Supplied Keyword: Radiative transfer analysis; Author-Supplied Keyword: Satellite SOS and EOS; Author-Supplied Keyword: Time-lapse camera; Author-Supplied Keyword: Tundra; Author-Supplied Keyword: Understory vegetation; Number of Pages: 11p; Document Type: Article
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