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Effect of rainfall seasonality on carbon storage in tropical dry ecosystems
While seasonally dry conditions are typical of large areas of the tropics, their biogeochemical responses to seasonal rainfall and soil carbon (C) sequestration potential are not well characterized. Seasonal moisture availability positively affects both productivity and soil respiration, resulting i...
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| Published in: | Journal of geophysical research. Biogeosciences 2013-07, Vol.118 (3), p.1156-1167 |
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| Main Authors: | , , , , |
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| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c4411-9411b3ba083d19ef9bffa793c00200d7ebc9b2c1a2e7943d75e948d933f9caef3 |
| container_end_page | 1167 |
| container_issue | 3 |
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| container_title | Journal of geophysical research. Biogeosciences |
| container_volume | 118 |
| creator | Rohr, Tyler Manzoni, Stefano Feng, Xue Menezes, Rômulo S. C. Porporato, Amilcare |
| description | While seasonally dry conditions are typical of large areas of the tropics, their biogeochemical responses to seasonal rainfall and soil carbon (C) sequestration potential are not well characterized. Seasonal moisture availability positively affects both productivity and soil respiration, resulting in a delicate balance between C deposition as litterfall and C loss through heterotrophic respiration. To understand how rainfall seasonality (i.e., duration of the wet season and rainfall distribution) affects this balance and to provide estimates of long‐term C sequestration, we develop a minimal model linking the seasonal behavior of the ensemble soil moisture, plant productivity, related C inputs through litterfall, and soil C dynamics. A drought‐deciduous caatinga ecosystem in northeastern Brazil is used as a case study to parameterize the model. When extended to different patterns of rainfall seasonality, the results indicate that for fixed annual rainfall, both plant productivity and soil C sequestration potential are largely, and nonlinearly, dependent on wet season duration. Moreover, total annual rainfall is a critical driver of this relationship, leading at times to distinct optima in both production and C storage. These theoretical predictions are discussed in the context of parameter uncertainties and possible changes in rainfall regimes in tropical dry ecosystems.
Key Points
Seasonal rainfall drives unique optima in mean carbon storage and productivityDecomposition and litterfall compete to further complicate carbon cyclingFuture carbon storage becomes a function of current and projected climate trends |
| doi_str_mv | 10.1002/jgrg.20091 |
| format | article |
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Key Points
Seasonal rainfall drives unique optima in mean carbon storage and productivityDecomposition and litterfall compete to further complicate carbon cyclingFuture carbon storage becomes a function of current and projected climate trends</description><identifier>ISSN: 2169-8953</identifier><identifier>EISSN: 2169-8961</identifier><identifier>DOI: 10.1002/jgrg.20091</identifier><language>eng</language><publisher>Washington: Blackwell Publishing Ltd</publisher><subject>Annual rainfall ; biogeochemical model ; Carbon ; Carbon capture and storage ; Carbon cycle ; Carbon sequestration ; carbon storage ; Drought ; Drying ; Ecosystems ; Moisture availability ; primary productivity ; Productivity ; Rainfall ; Rainfall distribution ; rainfall variability ; Rainy season ; Respiration ; Seasonal variations ; seasonally dry ecosystems ; Soil (material) ; Soil moisture ; Tropical environments</subject><ispartof>Journal of geophysical research. Biogeosciences, 2013-07, Vol.118 (3), p.1156-1167</ispartof><rights>2013. American Geophysical Union. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4411-9411b3ba083d19ef9bffa793c00200d7ebc9b2c1a2e7943d75e948d933f9caef3</citedby><cites>FETCH-LOGICAL-c4411-9411b3ba083d19ef9bffa793c00200d7ebc9b2c1a2e7943d75e948d933f9caef3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Rohr, Tyler</creatorcontrib><creatorcontrib>Manzoni, Stefano</creatorcontrib><creatorcontrib>Feng, Xue</creatorcontrib><creatorcontrib>Menezes, Rômulo S. C.</creatorcontrib><creatorcontrib>Porporato, Amilcare</creatorcontrib><title>Effect of rainfall seasonality on carbon storage in tropical dry ecosystems</title><title>Journal of geophysical research. Biogeosciences</title><addtitle>J. Geophys. Res. Biogeosci</addtitle><description>While seasonally dry conditions are typical of large areas of the tropics, their biogeochemical responses to seasonal rainfall and soil carbon (C) sequestration potential are not well characterized. Seasonal moisture availability positively affects both productivity and soil respiration, resulting in a delicate balance between C deposition as litterfall and C loss through heterotrophic respiration. To understand how rainfall seasonality (i.e., duration of the wet season and rainfall distribution) affects this balance and to provide estimates of long‐term C sequestration, we develop a minimal model linking the seasonal behavior of the ensemble soil moisture, plant productivity, related C inputs through litterfall, and soil C dynamics. A drought‐deciduous caatinga ecosystem in northeastern Brazil is used as a case study to parameterize the model. When extended to different patterns of rainfall seasonality, the results indicate that for fixed annual rainfall, both plant productivity and soil C sequestration potential are largely, and nonlinearly, dependent on wet season duration. Moreover, total annual rainfall is a critical driver of this relationship, leading at times to distinct optima in both production and C storage. These theoretical predictions are discussed in the context of parameter uncertainties and possible changes in rainfall regimes in tropical dry ecosystems.
Key Points
Seasonal rainfall drives unique optima in mean carbon storage and productivityDecomposition and litterfall compete to further complicate carbon cyclingFuture carbon storage becomes a function of current and projected climate trends</description><subject>Annual rainfall</subject><subject>biogeochemical model</subject><subject>Carbon</subject><subject>Carbon capture and storage</subject><subject>Carbon cycle</subject><subject>Carbon sequestration</subject><subject>carbon storage</subject><subject>Drought</subject><subject>Drying</subject><subject>Ecosystems</subject><subject>Moisture availability</subject><subject>primary productivity</subject><subject>Productivity</subject><subject>Rainfall</subject><subject>Rainfall distribution</subject><subject>rainfall variability</subject><subject>Rainy season</subject><subject>Respiration</subject><subject>Seasonal variations</subject><subject>seasonally dry ecosystems</subject><subject>Soil (material)</subject><subject>Soil moisture</subject><subject>Tropical environments</subject><issn>2169-8953</issn><issn>2169-8961</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqN0U1LwzAYB_AiCg7dxU8Q8CJCZ56ma5ujzq2-jAniC3gJaZqMzK6ZSYf225tZ3cGDmEOeEH7_QJ4nCI4ADwDj6Gwxt_NBhDGFnaAXQULDjCawuz0PyX7Qd26B_cr8FUAvuB0rJUWDjEKW61rxqkJOcmdqXummRaZGgtvCF9cYy-cS6Ro11qy04BUqbYukMK51jVy6w2DP553sf9eD4HEyfhhdhdO7_Hp0Pg1FHAOE1G8FKTjOSAlUKlooxVNKhP8DxmUqC0GLSACPZEpjUqZDSeOspIQoKrhU5CA46d5dWfO2lq5hS-2ErCpeS7N2DJIhxDhLSPYPCpAQihPq6fEvujBr69uwUSSLI0_Bq9NOCWucs1KxldVLblsGmG2mwDZTYF9T8Bg6_K4r2f4h2U1-n_9kwi6jfU8_thluX1mSknTInmc5e3qZwcXlZMSAfAJxYJfy</recordid><startdate>20130701</startdate><enddate>20130701</enddate><creator>Rohr, Tyler</creator><creator>Manzoni, Stefano</creator><creator>Feng, Xue</creator><creator>Menezes, Rômulo S. C.</creator><creator>Porporato, Amilcare</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope><scope>7QH</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20130701</creationdate><title>Effect of rainfall seasonality on carbon storage in tropical dry ecosystems</title><author>Rohr, Tyler ; Manzoni, Stefano ; Feng, Xue ; Menezes, Rômulo S. C. ; Porporato, Amilcare</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4411-9411b3ba083d19ef9bffa793c00200d7ebc9b2c1a2e7943d75e948d933f9caef3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Annual rainfall</topic><topic>biogeochemical model</topic><topic>Carbon</topic><topic>Carbon capture and storage</topic><topic>Carbon cycle</topic><topic>Carbon sequestration</topic><topic>carbon storage</topic><topic>Drought</topic><topic>Drying</topic><topic>Ecosystems</topic><topic>Moisture availability</topic><topic>primary productivity</topic><topic>Productivity</topic><topic>Rainfall</topic><topic>Rainfall distribution</topic><topic>rainfall variability</topic><topic>Rainy season</topic><topic>Respiration</topic><topic>Seasonal variations</topic><topic>seasonally dry ecosystems</topic><topic>Soil (material)</topic><topic>Soil moisture</topic><topic>Tropical environments</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rohr, Tyler</creatorcontrib><creatorcontrib>Manzoni, Stefano</creatorcontrib><creatorcontrib>Feng, Xue</creatorcontrib><creatorcontrib>Menezes, Rômulo S. C.</creatorcontrib><creatorcontrib>Porporato, Amilcare</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Aqualine</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of geophysical research. Biogeosciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rohr, Tyler</au><au>Manzoni, Stefano</au><au>Feng, Xue</au><au>Menezes, Rômulo S. C.</au><au>Porporato, Amilcare</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of rainfall seasonality on carbon storage in tropical dry ecosystems</atitle><jtitle>Journal of geophysical research. Biogeosciences</jtitle><addtitle>J. Geophys. Res. Biogeosci</addtitle><date>2013-07-01</date><risdate>2013</risdate><volume>118</volume><issue>3</issue><spage>1156</spage><epage>1167</epage><pages>1156-1167</pages><issn>2169-8953</issn><eissn>2169-8961</eissn><abstract>While seasonally dry conditions are typical of large areas of the tropics, their biogeochemical responses to seasonal rainfall and soil carbon (C) sequestration potential are not well characterized. Seasonal moisture availability positively affects both productivity and soil respiration, resulting in a delicate balance between C deposition as litterfall and C loss through heterotrophic respiration. To understand how rainfall seasonality (i.e., duration of the wet season and rainfall distribution) affects this balance and to provide estimates of long‐term C sequestration, we develop a minimal model linking the seasonal behavior of the ensemble soil moisture, plant productivity, related C inputs through litterfall, and soil C dynamics. A drought‐deciduous caatinga ecosystem in northeastern Brazil is used as a case study to parameterize the model. When extended to different patterns of rainfall seasonality, the results indicate that for fixed annual rainfall, both plant productivity and soil C sequestration potential are largely, and nonlinearly, dependent on wet season duration. Moreover, total annual rainfall is a critical driver of this relationship, leading at times to distinct optima in both production and C storage. These theoretical predictions are discussed in the context of parameter uncertainties and possible changes in rainfall regimes in tropical dry ecosystems.
Key Points
Seasonal rainfall drives unique optima in mean carbon storage and productivityDecomposition and litterfall compete to further complicate carbon cyclingFuture carbon storage becomes a function of current and projected climate trends</abstract><cop>Washington</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/jgrg.20091</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 2169-8953 |
| ispartof | Journal of geophysical research. Biogeosciences, 2013-07, Vol.118 (3), p.1156-1167 |
| issn | 2169-8953 2169-8961 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1651408638 |
| source | Wiley-Blackwell Read & Publish Collection; Alma/SFX Local Collection |
| subjects | Annual rainfall biogeochemical model Carbon Carbon capture and storage Carbon cycle Carbon sequestration carbon storage Drought Drying Ecosystems Moisture availability primary productivity Productivity Rainfall Rainfall distribution rainfall variability Rainy season Respiration Seasonal variations seasonally dry ecosystems Soil (material) Soil moisture Tropical environments |
| title | Effect of rainfall seasonality on carbon storage in tropical dry ecosystems |
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