Biogeochemical Responses in the Southern East China Sea After Typhoons
To understand the biogeochemical impact of typhoons in marginal seas, 16 sea-going expeditions were conducted from 2007 to 2009, covering all four seasons and including periods following the passage of several typhoons in the southern East China Sea (SECS). Higher surface nitrate and chlorophyll a (...
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
The Oceanography Society
2011-12-01
|
| Series: | Oceanography |
| Subjects: | |
| Online Access: | http://tos.org/oceanography/archive/24-4_hung.pdf |
| _version_ | 1818058847426707456 |
|---|---|
| author | Chin-Chang Hung Gwo-Ching Gong |
| author_facet | Chin-Chang Hung Gwo-Ching Gong |
| author_sort | Chin-Chang Hung |
| collection | DOAJ |
| description | To understand the biogeochemical impact of typhoons in marginal seas, 16 sea-going expeditions were conducted from 2007 to 2009, covering all four seasons and including periods following the passage of several typhoons in the southern East China Sea (SECS). Higher surface nitrate and chlorophyll a (Chl a) concentrations were measured in winter and spring, but surface nitrate (< 0.1 μM) and Chl a (0.47 ± 0.17 mg m–3) concentrations were low in summer under nontyphoon conditions. In comparison, elevated surface nitrate (0.2–2.3 μM) and Chl a concentrations (1.11 ± 0.40 mg m–3) were recorded in the SECS several days after the passage of each of three typhoons in 2008. The results demonstrate that nutrient-rich waters are brought to the surface after the passage of typhoons, after which phytoplankton flourish. Most importantly, elevated particulate organic carbon (POC) fluxes (552 ± 28 mg C m–2 d–1) were observed after Typhoon Jangmi, about a threefold increase from the monthly mean value (184 ± 37 mg m–2 d–1). These field investigations demonstrate that typhoons can have a profound effect on nutrient supply, phytoplankton growth, and POC fluxes in marginal seas. |
| first_indexed | 2024-12-10T13:07:08Z |
| format | Article |
| id | doaj.art-5798d0f63f7045829c1152782927a2db |
| institution | Directory Open Access Journal |
| issn | 1042-8275 |
| language | English |
| last_indexed | 2024-12-10T13:07:08Z |
| publishDate | 2011-12-01 |
| publisher | The Oceanography Society |
| record_format | Article |
| series | Oceanography |
| spelling | doaj.art-5798d0f63f7045829c1152782927a2db2022-12-22T01:47:48ZengThe Oceanography SocietyOceanography1042-82752011-12-012444251Biogeochemical Responses in the Southern East China Sea After TyphoonsChin-Chang HungGwo-Ching GongTo understand the biogeochemical impact of typhoons in marginal seas, 16 sea-going expeditions were conducted from 2007 to 2009, covering all four seasons and including periods following the passage of several typhoons in the southern East China Sea (SECS). Higher surface nitrate and chlorophyll a (Chl a) concentrations were measured in winter and spring, but surface nitrate (< 0.1 μM) and Chl a (0.47 ± 0.17 mg m–3) concentrations were low in summer under nontyphoon conditions. In comparison, elevated surface nitrate (0.2–2.3 μM) and Chl a concentrations (1.11 ± 0.40 mg m–3) were recorded in the SECS several days after the passage of each of three typhoons in 2008. The results demonstrate that nutrient-rich waters are brought to the surface after the passage of typhoons, after which phytoplankton flourish. Most importantly, elevated particulate organic carbon (POC) fluxes (552 ± 28 mg C m–2 d–1) were observed after Typhoon Jangmi, about a threefold increase from the monthly mean value (184 ± 37 mg m–2 d–1). These field investigations demonstrate that typhoons can have a profound effect on nutrient supply, phytoplankton growth, and POC fluxes in marginal seas.http://tos.org/oceanography/archive/24-4_hung.pdfoceanography of TaiwanSoutheast China SeatyphoonPOC fluxes |
| spellingShingle | Chin-Chang Hung Gwo-Ching Gong Biogeochemical Responses in the Southern East China Sea After Typhoons Oceanography oceanography of Taiwan Southeast China Sea typhoon POC fluxes |
| title | Biogeochemical Responses in the Southern East China Sea After Typhoons |
| title_full | Biogeochemical Responses in the Southern East China Sea After Typhoons |
| title_fullStr | Biogeochemical Responses in the Southern East China Sea After Typhoons |
| title_full_unstemmed | Biogeochemical Responses in the Southern East China Sea After Typhoons |
| title_short | Biogeochemical Responses in the Southern East China Sea After Typhoons |
| title_sort | biogeochemical responses in the southern east china sea after typhoons |
| topic | oceanography of Taiwan Southeast China Sea typhoon POC fluxes |
| url | http://tos.org/oceanography/archive/24-4_hung.pdf |
| work_keys_str_mv | AT chinchanghung biogeochemicalresponsesinthesoutherneastchinaseaaftertyphoons AT gwochinggong biogeochemicalresponsesinthesoutherneastchinaseaaftertyphoons |