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連続水温データ収集ネットワーク構築とその評価-汽水湖(新潟県加茂湖)における実験的検証-

連続水温データ収集ネットワーク構築とその評価-汽水湖(新潟県加茂湖)における実験的検証-

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カテゴリ: 論文誌(論文単位)

グループ名: 【C】電子・情報・システム部門

発行日: 2014/03/01

タイトル(英語): Development of a Sensor Network for Continuous Water-temperature Evaluation―Results Obtained from Experiments Conducted in Brackish Lake-water―

著者名: 尾潟 照一(新潟県立佐渡総合高校),菅原 新一(新潟大学工学部情報工学科),前田 義信(新潟大学大学院自然科学研究科),牧野 秀夫(新潟大学大学院自然科学研究科)

著者名(英語): Teruichi Ogata (Sadosougou High School), Shinichi Sugawara (Department of Information Engineering, Niigata University), Yoshinobu Maeda (Graduate School of Science and Technology, Niigata University), Hideo Makino (Graduate School of Science and Technology, Niigata University)

キーワード: 水温,汽水湖,センサネットワーク,加茂湖,佐渡  water-temperature,brackish lake,sensor network,Kamo Lake,Sado

要約(英語): Kamo Lake, located in Sado city, Niigata prefecture, Japan is approximately 4.9 km2 in circumference, 17 km in overall length, and 2 km across, at its widest point. While it is the largest lake in Niigata prefecture and ranks 46th in Japan, its deepest point lies about 10 meters below the surface. Being tidal in nature, with constant injections of seawater from the northern inlet, it has tended to be a bit brackish, making it suitable for the many oyster-farms dotting the area. But, the recent influx of red tide has resulted in a die-off of these oysters, costing local fishermen more than 100 million yen in lost revenue. Prefectural authorities have so far been unable to find a practical solution. The objective of the present research is to develop an original, automatic water temperature-sensing network in Kamo Lake to provide a web-based information-network that will allow fishermen to better understand the relationship between water temperature, red tides and dissolved oxygen. Based on our experimental results, we believe that the amount of dissolved oxygen has a clear connection with oyster die-off, and elevated water temperatures would seem to be the culprit. Network communications for water-temperature measurement achieved a 95% reliability-rating, for the past three years.

本誌: 電気学会論文誌C(電子・情報・システム部門誌) Vol.134 No.3 (2014) 特集:情報環境と人間の調和に向けた工学技術

本誌掲載ページ: 411-417 p

原稿種別: 論文/日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejeiss/134/3/134_411/_article/-char/ja/

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