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大村湾の表層水クロロフィルa分布と人工衛星データの解析


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Title: 大村湾の表層水クロロフィルa分布と人工衛星データの解析
Other Titles: Analysis of Surface Chlorophyll a Distribution and Satellite Data in Omura Bay
Authors: ウオウトウゼン, サム / 飯塚, 昭二
Authors (alternative): Wouthuyzen, Sam / Iizuka, Shoji
Issue Date: Mar-1990
Publisher: 長崎大学水産学部
Citation: 長崎大学水産学部研究報告, v.67, pp.51-73; 1990
Abstract: Nearly simultaneous acquisitions of surface chlorophyll a concentration for 48 sampling sites from a boat and Landsat-5 TM, MSS and MOS-1 MESSR digital count (DC) extraction in the visible and near infrared wave lengths were carried out in Omura Bay. Twenty two sets of sea truth data were collected for 14 months from October 1987 until December 1988, among which Landsat-5 data were available with four sets and MOS-1 data with one set. The concentration of chlorophyll a was higher in the southeast part of the bay, including Tsumizu Bay and low in some areas of the middle bay. Linear regressions between chlorophyll a and DC of TM, MSS and MESRR were developed for all stations, stations in the middle bay and stations in the southeast part, respectively. The correlation coefficients were higher for stations in the southeast part, but lower both for all stations and stations in the middle bay. All four dates TM data which represent two seasons (autumn and spring) were grouped. By applying a simple atmospheric correction procedure, a high relationship for each season was obtained between chlorophyll a and DC ratio (TM 2)/(TM 1).
Keywords: 大村湾 / Omura Bay / クロロフィルa分布 / Chlorophyll a distribution / リモートセンシング / Remote Sensing / ランドサット-5 / Landsat-5 / モス-1 / MOS-1
URI: http://hdl.handle.net/10069/29921
ISSN: 05471427
Type: Departmental Bulletin Paper
Text Version: publisher
Appears in Collections:第67号

Citable URI : http://hdl.handle.net/10069/29921

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