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Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation
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| Zeitschriftentitel: | Biogeosciences |
|---|---|
| Personen und Körperschaften: | , , , , , , , , , , , |
| In: | Biogeosciences, 16, 2019, 14, S. 2821-2836 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Copernicus GmbH
|
| Schlagwörter: |
| author_facet |
Jiang, Shan Müller, Moritz Jin, Jie Wu, Ying Zhu, Kun Zhang, Guosen Mujahid, Aazani Rixen, Tim Muhamad, Mohd Fakharuddin Sia, Edwin Sien Aun Jang, Faddrine Holt Ajon Zhang, Jing Jiang, Shan Müller, Moritz Jin, Jie Wu, Ying Zhu, Kun Zhang, Guosen Mujahid, Aazani Rixen, Tim Muhamad, Mohd Fakharuddin Sia, Edwin Sien Aun Jang, Faddrine Holt Ajon Zhang, Jing |
|---|---|
| author |
Jiang, Shan Müller, Moritz Jin, Jie Wu, Ying Zhu, Kun Zhang, Guosen Mujahid, Aazani Rixen, Tim Muhamad, Mohd Fakharuddin Sia, Edwin Sien Aun Jang, Faddrine Holt Ajon Zhang, Jing |
| spellingShingle |
Jiang, Shan Müller, Moritz Jin, Jie Wu, Ying Zhu, Kun Zhang, Guosen Mujahid, Aazani Rixen, Tim Muhamad, Mohd Fakharuddin Sia, Edwin Sien Aun Jang, Faddrine Holt Ajon Zhang, Jing Biogeosciences Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation Earth-Surface Processes Ecology, Evolution, Behavior and Systematics |
| author_sort |
jiang, shan |
| spelling |
Jiang, Shan Müller, Moritz Jin, Jie Wu, Ying Zhu, Kun Zhang, Guosen Mujahid, Aazani Rixen, Tim Muhamad, Mohd Fakharuddin Sia, Edwin Sien Aun Jang, Faddrine Holt Ajon Zhang, Jing 1726-4189 Copernicus GmbH Earth-Surface Processes Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.5194/bg-16-2821-2019 <jats:p>Abstract. Dissolved inorganic nitrogen (DIN), including nitrate, nitrite and ammonium, frequently acts as the limitation for primary productivity. Our study focused on the transport and transformation of DIN in a tropical estuary, i.e., the Rajang River estuary, in Borneo, Malaysia. Three cruises were conducted in August 2016 and February–March and September 2017, covering both dry and wet seasons. Before entering the coastal delta, decomposition of the terrestrial organic matter and the subsequent soil leaching was assumed to be the main source of DIN in the river water. In the estuary, decomposition of dissolved organic nitrogen was an additional DIN source, which markedly increased DIN concentrations in August 2016 (dry season). In the wet season (February 2017), ammonium concentrations showed a relatively conservative distribution during the mixing, and the nitrate addition was weak. La Niña events induced high precipitations and discharge rates, decreased reaction intensities of ammonification and nitrification. Hence similar distribution patterns of DIN species in the estuary were found in September 2017 (end of the dry season). The magnitude of riverine DIN flux varied between 77.2 and 101.5 t N d−1, which might be an important support for the coastal primary productivity. </jats:p> Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation Biogeosciences |
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10.5194/bg-16-2821-2019 |
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| title |
Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation |
| title_unstemmed |
Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation |
| title_full |
Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation |
| title_fullStr |
Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation |
| title_full_unstemmed |
Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation |
| title_short |
Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation |
| title_sort |
dissolved inorganic nitrogen in a tropical estuary in malaysia: transport and transformation |
| topic |
Earth-Surface Processes Ecology, Evolution, Behavior and Systematics |
| url |
http://dx.doi.org/10.5194/bg-16-2821-2019 |
| publishDate |
2019 |
| physical |
2821-2836 |
| description |
<jats:p>Abstract. Dissolved inorganic nitrogen (DIN), including nitrate,
nitrite and ammonium, frequently acts as the limitation for primary
productivity. Our study focused on the transport and transformation of DIN
in a tropical estuary, i.e., the Rajang River estuary, in Borneo, Malaysia.
Three cruises were conducted in August 2016 and February–March and September 2017, covering both dry and wet seasons. Before entering the coastal delta,
decomposition of the terrestrial organic matter and the subsequent soil
leaching was assumed to be the main source of DIN in the river water. In the
estuary, decomposition of dissolved organic nitrogen was an additional DIN
source, which markedly increased DIN concentrations in August 2016 (dry
season). In the wet season (February 2017), ammonium concentrations showed a
relatively conservative distribution during the mixing, and the nitrate
addition was weak. La Niña events induced high precipitations and
discharge rates, decreased reaction intensities of ammonification and
nitrification. Hence similar distribution patterns of DIN species in the
estuary were found in September 2017 (end of the dry season). The magnitude of
riverine DIN flux varied between 77.2 and 101.5 t N d−1, which might
be an important support for the coastal primary productivity.
</jats:p> |
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| author | Jiang, Shan, Müller, Moritz, Jin, Jie, Wu, Ying, Zhu, Kun, Zhang, Guosen, Mujahid, Aazani, Rixen, Tim, Muhamad, Mohd Fakharuddin, Sia, Edwin Sien Aun, Jang, Faddrine Holt Ajon, Zhang, Jing |
| author_facet | Jiang, Shan, Müller, Moritz, Jin, Jie, Wu, Ying, Zhu, Kun, Zhang, Guosen, Mujahid, Aazani, Rixen, Tim, Muhamad, Mohd Fakharuddin, Sia, Edwin Sien Aun, Jang, Faddrine Holt Ajon, Zhang, Jing, Jiang, Shan, Müller, Moritz, Jin, Jie, Wu, Ying, Zhu, Kun, Zhang, Guosen, Mujahid, Aazani, Rixen, Tim, Muhamad, Mohd Fakharuddin, Sia, Edwin Sien Aun, Jang, Faddrine Holt Ajon, Zhang, Jing |
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| description | <jats:p>Abstract. Dissolved inorganic nitrogen (DIN), including nitrate, nitrite and ammonium, frequently acts as the limitation for primary productivity. Our study focused on the transport and transformation of DIN in a tropical estuary, i.e., the Rajang River estuary, in Borneo, Malaysia. Three cruises were conducted in August 2016 and February–March and September 2017, covering both dry and wet seasons. Before entering the coastal delta, decomposition of the terrestrial organic matter and the subsequent soil leaching was assumed to be the main source of DIN in the river water. In the estuary, decomposition of dissolved organic nitrogen was an additional DIN source, which markedly increased DIN concentrations in August 2016 (dry season). In the wet season (February 2017), ammonium concentrations showed a relatively conservative distribution during the mixing, and the nitrate addition was weak. La Niña events induced high precipitations and discharge rates, decreased reaction intensities of ammonification and nitrification. Hence similar distribution patterns of DIN species in the estuary were found in September 2017 (end of the dry season). The magnitude of riverine DIN flux varied between 77.2 and 101.5 t N d−1, which might be an important support for the coastal primary productivity. </jats:p> |
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| spelling | Jiang, Shan Müller, Moritz Jin, Jie Wu, Ying Zhu, Kun Zhang, Guosen Mujahid, Aazani Rixen, Tim Muhamad, Mohd Fakharuddin Sia, Edwin Sien Aun Jang, Faddrine Holt Ajon Zhang, Jing 1726-4189 Copernicus GmbH Earth-Surface Processes Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.5194/bg-16-2821-2019 <jats:p>Abstract. Dissolved inorganic nitrogen (DIN), including nitrate, nitrite and ammonium, frequently acts as the limitation for primary productivity. Our study focused on the transport and transformation of DIN in a tropical estuary, i.e., the Rajang River estuary, in Borneo, Malaysia. Three cruises were conducted in August 2016 and February–March and September 2017, covering both dry and wet seasons. Before entering the coastal delta, decomposition of the terrestrial organic matter and the subsequent soil leaching was assumed to be the main source of DIN in the river water. In the estuary, decomposition of dissolved organic nitrogen was an additional DIN source, which markedly increased DIN concentrations in August 2016 (dry season). In the wet season (February 2017), ammonium concentrations showed a relatively conservative distribution during the mixing, and the nitrate addition was weak. La Niña events induced high precipitations and discharge rates, decreased reaction intensities of ammonification and nitrification. Hence similar distribution patterns of DIN species in the estuary were found in September 2017 (end of the dry season). The magnitude of riverine DIN flux varied between 77.2 and 101.5 t N d−1, which might be an important support for the coastal primary productivity. </jats:p> Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation Biogeosciences |
| spellingShingle | Jiang, Shan, Müller, Moritz, Jin, Jie, Wu, Ying, Zhu, Kun, Zhang, Guosen, Mujahid, Aazani, Rixen, Tim, Muhamad, Mohd Fakharuddin, Sia, Edwin Sien Aun, Jang, Faddrine Holt Ajon, Zhang, Jing, Biogeosciences, Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation, Earth-Surface Processes, Ecology, Evolution, Behavior and Systematics |
| title | Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation |
| title_full | Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation |
| title_fullStr | Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation |
| title_full_unstemmed | Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation |
| title_short | Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation |
| title_sort | dissolved inorganic nitrogen in a tropical estuary in malaysia: transport and transformation |
| title_unstemmed | Dissolved inorganic nitrogen in a tropical estuary in Malaysia: transport and transformation |
| topic | Earth-Surface Processes, Ecology, Evolution, Behavior and Systematics |
| url | http://dx.doi.org/10.5194/bg-16-2821-2019 |