Zobrazeno 1 - 10
of 683
pro vyhledávání: '"F, Nakagawa"'
Publikováno v:
Biogeosciences, Vol 21, Pp 4717-4722 (2024)
A novel method has been proposed and applied in recent studies to quantify gross nitrification rate (GNR) in forested catchments using the triple oxygen isotopic composition (Δ17O) of stream nitrate. However, the equations used in these calculations
Externí odkaz:
https://doaj.org/article/75f68eafb3754ba5b55672d45f1c2a65
Publikováno v:
Biogeosciences, Vol 20, Pp 753-766 (2023)
Owing to the elevated loading of nitrogen through atmospheric deposition, some forested ecosystems become nitrogen saturated, from which elevated levels of nitrate are exported. The average concentration of stream nitrate eluted from upstream and dow
Externí odkaz:
https://doaj.org/article/a8e54cfb604b4c9ca50ca3a16f974653
Publikováno v:
Biogeosciences, Vol 19, Pp 3247-3261 (2022)
To clarify the source of nitrate increased during storm events in a temperate forested stream, we monitored temporal variation in the concentrations and stable isotopic compositions including Δ17O of stream nitrate in a forested catchment (KJ catchm
Externí odkaz:
https://doaj.org/article/18fbb4ba3e364563a0b7206660aa8315
Autor:
Hirotaka F. Nakagawa, Kyungje Sung, Soheil Ashkani-Esfahani MD, Gregory R. Waryasz MD, Tabitha May, Walter Sussman DO
Publikováno v:
Foot & Ankle Orthopaedics, Vol 7 (2022)
Category: Basic Sciences/Biologics Introduction/Purpose: Plantar fasciitis is a common condition affecting approximately one in ten people in their lifetime. Treatment is typically conservative and symptoms are self-limiting. Operative treatment is i
Externí odkaz:
https://doaj.org/article/7ec55c1af5d247ea90d38d20a6121725
Autor:
F. Nakagawa, U. Tsunogai, Y. Obata, K. Ando, N. Yamashita, T. Saito, S. Uchiyama, M. Morohashi, H. Sase
Publikováno v:
Biogeosciences, Vol 15, Pp 7025-7042 (2018)
To clarify the biological processing of nitrate within temperate forested catchments using unprocessed atmospheric nitrate exported from each catchment as a tracer, we continuously monitored stream nitrate concentrations and stable isotopic compos
Externí odkaz:
https://doaj.org/article/ecd1f0566abc4484b55e776a8700039d
Autor:
D. M. Nelson, U. Tsunogai, D. Ding, T. Ohyama, D. D. Komatsu, F. Nakagawa, I. Noguchi, T. Yamaguchi
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 6381-6392 (2018)
Atmospheric nitrate deposition resulting from anthropogenic activities negatively affects human and environmental health. Identifying deposited nitrate that is produced locally vs. that originating from long-distance transport would help inform ef
Externí odkaz:
https://doaj.org/article/97c8c8d5fb564cacb3a483aa745951f9
Akademický článek
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Autor:
U. Tsunogai, T. Miyauchi, T. Ohyama, D. D. Komatsu, F. Nakagawa, Y. Obata, K. Sato, T. Ohizumi
Publikováno v:
Biogeosciences, Vol 13, Iss 11, Pp 3441-3459 (2016)
Land use in a catchment area has significant impacts on nitrate eluted from the catchment, including atmospheric nitrate deposited onto the catchment area and remineralised nitrate produced within the catchment area. Although the stable isotopic comp
Externí odkaz:
https://doaj.org/article/23519cec2d0f447daf012d208469d8d6
Autor:
U. Tsunogai, D. D. Komatsu, T. Ohyama, A. Suzuki, F. Nakagawa, I. Noguchi, K. Takagi, M. Nomura, K. Fukuzawa, H. Shibata
Publikováno v:
Biogeosciences, Vol 11, Iss 19, Pp 5411-5424 (2014)
Temporal variations in the stable isotopic compositions of nitrate dissolved in stream water eluted from a cool–temperate forested watershed (8 ha) were measured to quantify the biogeochemical effects of clear-cutting of trees and subsequent strip-
Externí odkaz:
https://doaj.org/article/ba3c58c9343a475d9af98f69c75e6569
Akademický článek
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