Zobrazeno 1 - 10
of 184
pro vyhledávání: '"Takehiko FUKUSHIMA"'
Publikováno v:
SN Applied Sciences, Vol 3, Iss 11, Pp 1-15 (2021)
Abstract To investigate the effects of extreme rainfall events (EREs) on lake water quality, we analyzed the lake monthly monitoring data at the stations close to inflow rivers. We tested the hypothesis that the effects depend on rainfall magnitude,
Externí odkaz:
https://doaj.org/article/9aa4e220f9894239b5ef91517234d58b
Publikováno v:
Remote Sensing, Vol 6, Iss 4, Pp 3492-3510 (2014)
Satellite remote sensing is a highly useful tool for monitoring chlorophyll-a concentration (Chl-a) in water bodies. Remote sensing algorithms based on near-infrared-red (NIR-red) wavelengths have demonstrated great potential for retrieving Chl-a in
Externí odkaz:
https://doaj.org/article/10ca84f4b02f4ad492650d715541f287
Autor:
Augusto Vundo, Bunkei Matsushita, Dalin Jiang, Mangaliso Gondwe, Rossi Hamzah, Fajar Setiawan, Takehiko Fukushima
Publikováno v:
Remote Sensing, Vol 11, Iss 3, p 279 (2019)
Lake Malawi is an important water resource in Africa. However, there is no routine monitoring of water quality in the lake due to financial and institutional constraints in the surrounding countries. A combination of satellite data and a semi-analyti
Externí odkaz:
https://doaj.org/article/ce39d53c57f6440bb9c33bc9865bdf95
Autor:
Masataka Watanabe, Zhu Ouyang, Takehiko Fukushima, Bunkei Matsushita, Qinxue Wang, Zhigang Sun
Publikováno v:
Sensors, Vol 8, Iss 10, Pp 6260-6279 (2008)
The VI-Ts diagram determined by the scatter points of the vegetation index (VI) and surface temperature (Ts) has been widely applied in land surface studies. In the VI-Ts diagram, dry point is defined as a pixel with maximum Ts and minimum VI, while
Externí odkaz:
https://doaj.org/article/1c814f220b404ec9bcdfd06797cf2ef7
Publikováno v:
Indonesian Journal of Geography, Vol 42, Iss 2 (2013)
We studied the changes in stream water temperature (Tw) and water quality (Wq) during rainfall events in forested watersheds. The parameters ofWq (88, DOC, N03--N, DTN, Na+, 8i and r) were observedinfour regionsof Japan from June 2004 to December 200
Externí odkaz:
https://doaj.org/article/66af5ee3ccee4ae09f6b1b0cb2e50bfa
Publikováno v:
The Scientific World Journal, Vol 2012 (2012)
Nitrogen and phosphorus are considered the most important limiting elements in terrestrial and aquatic ecosystems. however, very few studies have focused on which is from forested streams, a bridge between these two systems. To fill this gap, we exam
Externí odkaz:
https://doaj.org/article/2ed32a700472483e8cd746a7cf308b94
Publikováno v:
Limnology. 24:61-69
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e347f0d4fbe24c331f5edb8cc163c70b
https://doi.org/10.1007/s10201-022-00703-4
https://doi.org/10.1007/s10201-022-00703-4
Autor:
Tatsumi KITAMURA, Kazuhiro AYUKAWA, Eiji MASUNAGA, Shunsuke KOMURO, Takao OOUCHI, Miyuki YUZAWA, Daiki ASAOKA, Yasuhide MIKAMI, Yasushi SEIKE, Takehiko FUKUSHIMA
Publikováno v:
Journal of Japan Society on Water Environment. 45:135-143
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc44b65be19e1f90ede519d3ac81b833
https://doi.org/10.2965/jswe.45.135
https://doi.org/10.2965/jswe.45.135
Autor:
Ayato Kohzu, Shin-ichiro Matsuzaki, Shunsuke Komuro, Kazuhiro Komatsu, Noriko Takamura, Megumi Nakagawa, Akio Imai, Takehiko Fukushima
Publikováno v:
Science of The Total Environment. 881:163097
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96e08c20970b848512cbc86f21f33201
https://doi.org/10.1016/j.scitotenv.2023.163097
https://doi.org/10.1016/j.scitotenv.2023.163097
Autor:
Takehiko Fukushima, Bunkei Matsushita
Publikováno v:
Hydrobiologia. 848:3469-3487
In the management of lakes for a healthy environment, it is crucial to assess the limiting nutrient(s) and understand its use efficiency of the phytoplankton production. We hypothesized that dissolved inorganic phosphorus (DIP) and/or nitrogen concen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e716d767197f02fc76221f822225b11
https://doi.org/10.1007/s10750-021-04593-y
https://doi.org/10.1007/s10750-021-04593-y