Multiyear precipitation reduction strongly decreases carbon uptake over northern China

Drought has been a concern in global and regional water, carbon, and energy cycles. From 1999 to 2011, northern China experienced a multiyear precipitation reduction that significantly decreased water availability as indicated by the Palmer Drought Severity Index and soil moisture measurements. In t...

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Veröffentlicht in:Journal of geophysical research. Biogeosciences 2014-05, Vol.119 (5), p.881-896
Hauptverfasser: Yuan, Wenping, Liu, Dan, Dong, Wenjie, Liu, Shuguang, Zhou, Guangsheng, Yu, Guirui, Zhao, Tianbao, Feng, Jinming, Ma, Zhuguo, Chen, Jiquan, Chen, Yang, Chen, Shiping, Han, Shijie, Huang, Jianping, Li, Linghao, Liu, Huizhi, Liu, Shaoming, Ma, Mingguo, Wang, Yanfeng, Xia, Jiangzhou, Xu, Wenfang, Zhang, Qiang, Zhao, Xinquang, Zhao, Liang
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container_issue 5
container_start_page 881
container_title Journal of geophysical research. Biogeosciences
container_volume 119
creator Yuan, Wenping
Liu, Dan
Dong, Wenjie
Liu, Shuguang
Zhou, Guangsheng
Yu, Guirui
Zhao, Tianbao
Feng, Jinming
Ma, Zhuguo
Chen, Jiquan
Chen, Yang
Chen, Shiping
Han, Shijie
Huang, Jianping
Li, Linghao
Liu, Huizhi
Liu, Shaoming
Ma, Mingguo
Wang, Yanfeng
Xia, Jiangzhou
Xu, Wenfang
Zhang, Qiang
Zhao, Xinquang
Zhao, Liang
description Drought has been a concern in global and regional water, carbon, and energy cycles. From 1999 to 2011, northern China experienced a multiyear precipitation reduction that significantly decreased water availability as indicated by the Palmer Drought Severity Index and soil moisture measurements. In this study, a light use efficiency model (EC‐LUE) and an ecosystem physiological model (IBIS) were used to characterize the impacts of long‐term drought on terrestrial carbon fluxes in northern China. EC‐LUE and IBIS models showed the reduction of averaged GPP of 0.09 and 0.05 Pg C yr−1 during 1999–2011 compared with 1982–1998. Based on the IBIS model, simulated ecosystem respiration experienced an insignificant decrease from 1999 to 2011. The multiyear precipitation reduction changed the regional carbon uptake of 0.011 Pg C yr−1 from 1982 to 1998 to a net source of 0.018 Pg C yr−1 from 1999 to 2011. Moreover, a pronounced decrease in maize yield in almost all provinces in the study region was found from 1999 to 2011 versus the average of yield from1978 to 2011. The largest maize yield reduction occurred in Beijing (2499 kg ha−1 yr−1), Jilin (2180 kg ha−1 yr−1), Tianjing (1923 kg ha−1 yr−1), and Heilongjiang (1791 kg ha−1 yr−1), and the maize yield anomaly was significantly correlated with the annual precipitation over the entire study area. Our results revealed that recent climate change, especially drought‐induced water stress, is the dominant cause of the reduction in the terrestrial carbon sink over northern China. Key Points Northern China experienced a multiyear precipitation reduction from 1999‐2011 The multiyear drought changed the regional carbon sink to source Maize yield decreased in the study region responded to drought
doi_str_mv 10.1002/2014JG002608
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From 1999 to 2011, northern China experienced a multiyear precipitation reduction that significantly decreased water availability as indicated by the Palmer Drought Severity Index and soil moisture measurements. In this study, a light use efficiency model (EC‐LUE) and an ecosystem physiological model (IBIS) were used to characterize the impacts of long‐term drought on terrestrial carbon fluxes in northern China. EC‐LUE and IBIS models showed the reduction of averaged GPP of 0.09 and 0.05 Pg C yr−1 during 1999–2011 compared with 1982–1998. Based on the IBIS model, simulated ecosystem respiration experienced an insignificant decrease from 1999 to 2011. The multiyear precipitation reduction changed the regional carbon uptake of 0.011 Pg C yr−1 from 1982 to 1998 to a net source of 0.018 Pg C yr−1 from 1999 to 2011. Moreover, a pronounced decrease in maize yield in almost all provinces in the study region was found from 1999 to 2011 versus the average of yield from1978 to 2011. The largest maize yield reduction occurred in Beijing (2499 kg ha−1 yr−1), Jilin (2180 kg ha−1 yr−1), Tianjing (1923 kg ha−1 yr−1), and Heilongjiang (1791 kg ha−1 yr−1), and the maize yield anomaly was significantly correlated with the annual precipitation over the entire study area. Our results revealed that recent climate change, especially drought‐induced water stress, is the dominant cause of the reduction in the terrestrial carbon sink over northern China. Key Points Northern China experienced a multiyear precipitation reduction from 1999‐2011 The multiyear drought changed the regional carbon sink to source Maize yield decreased in the study region responded to drought</description><identifier>ISSN: 2169-8953</identifier><identifier>EISSN: 2169-8961</identifier><identifier>DOI: 10.1002/2014JG002608</identifier><language>eng</language><publisher>Washington: Blackwell Publishing Ltd</publisher><subject>Carbon ; Carbon sinks ; Carbon uptake ; China ; Climate change ; Corn ; Crop yield ; Drought ; Droughts ; Ecosystems ; Maize ; Northern China ; Precipitation ; Reduction ; Regional ; Soil moisture ; Vegetation primary production ; Water availability ; Water stress</subject><ispartof>Journal of geophysical research. Biogeosciences, 2014-05, Vol.119 (5), p.881-896</ispartof><rights>2014. American Geophysical Union. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4214-5a2807a76de1225908ca7eec4ba478bb4696bf4ab4f0d99110e17d2f940bebf3</citedby><cites>FETCH-LOGICAL-c4214-5a2807a76de1225908ca7eec4ba478bb4696bf4ab4f0d99110e17d2f940bebf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2F2014JG002608$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2F2014JG002608$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,1433,27924,27925,45574,45575,46409,46833</link.rule.ids></links><search><creatorcontrib>Yuan, Wenping</creatorcontrib><creatorcontrib>Liu, Dan</creatorcontrib><creatorcontrib>Dong, Wenjie</creatorcontrib><creatorcontrib>Liu, Shuguang</creatorcontrib><creatorcontrib>Zhou, Guangsheng</creatorcontrib><creatorcontrib>Yu, Guirui</creatorcontrib><creatorcontrib>Zhao, Tianbao</creatorcontrib><creatorcontrib>Feng, Jinming</creatorcontrib><creatorcontrib>Ma, Zhuguo</creatorcontrib><creatorcontrib>Chen, Jiquan</creatorcontrib><creatorcontrib>Chen, Yang</creatorcontrib><creatorcontrib>Chen, Shiping</creatorcontrib><creatorcontrib>Han, Shijie</creatorcontrib><creatorcontrib>Huang, Jianping</creatorcontrib><creatorcontrib>Li, Linghao</creatorcontrib><creatorcontrib>Liu, Huizhi</creatorcontrib><creatorcontrib>Liu, Shaoming</creatorcontrib><creatorcontrib>Ma, Mingguo</creatorcontrib><creatorcontrib>Wang, Yanfeng</creatorcontrib><creatorcontrib>Xia, Jiangzhou</creatorcontrib><creatorcontrib>Xu, Wenfang</creatorcontrib><creatorcontrib>Zhang, Qiang</creatorcontrib><creatorcontrib>Zhao, Xinquang</creatorcontrib><creatorcontrib>Zhao, Liang</creatorcontrib><title>Multiyear precipitation reduction strongly decreases carbon uptake over northern China</title><title>Journal of geophysical research. Biogeosciences</title><addtitle>J. Geophys. Res. Biogeosci</addtitle><description>Drought has been a concern in global and regional water, carbon, and energy cycles. From 1999 to 2011, northern China experienced a multiyear precipitation reduction that significantly decreased water availability as indicated by the Palmer Drought Severity Index and soil moisture measurements. In this study, a light use efficiency model (EC‐LUE) and an ecosystem physiological model (IBIS) were used to characterize the impacts of long‐term drought on terrestrial carbon fluxes in northern China. EC‐LUE and IBIS models showed the reduction of averaged GPP of 0.09 and 0.05 Pg C yr−1 during 1999–2011 compared with 1982–1998. Based on the IBIS model, simulated ecosystem respiration experienced an insignificant decrease from 1999 to 2011. The multiyear precipitation reduction changed the regional carbon uptake of 0.011 Pg C yr−1 from 1982 to 1998 to a net source of 0.018 Pg C yr−1 from 1999 to 2011. 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Key Points Northern China experienced a multiyear precipitation reduction from 1999‐2011 The multiyear drought changed the regional carbon sink to source Maize yield decreased in the study region responded to drought</description><subject>Carbon</subject><subject>Carbon sinks</subject><subject>Carbon uptake</subject><subject>China</subject><subject>Climate change</subject><subject>Corn</subject><subject>Crop yield</subject><subject>Drought</subject><subject>Droughts</subject><subject>Ecosystems</subject><subject>Maize</subject><subject>Northern China</subject><subject>Precipitation</subject><subject>Reduction</subject><subject>Regional</subject><subject>Soil moisture</subject><subject>Vegetation primary production</subject><subject>Water availability</subject><subject>Water stress</subject><issn>2169-8953</issn><issn>2169-8961</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNp9kM1OhTAQhYnRRHN15wOQuHEh2pa20KUSRa9_0Rjvsill0CoXsAWVt7eKMcaFs5mTme9MZiYItjHaxwiRA4IwnedecZSuBBsEcxGlguPVH83i9WDLuSfkI_UljDeC-8uh7s0IyoadBW0606vetE1ooRz0l3K9bZuHegxL0BaUAxdqZQvfGbpePUPYvoINm9b2j2CbMHs0jdoM1ipVO9j6zrPg7uT4LjuNLq7zs-zwItKUYBoxRVKUqISXgAlhAqVaJQCaFoomaVFQLnhRUVXQCpXCL4wAJyWpBEUFFFU8C3ansZ1tXwZwvVwap6GuVQPt4CRmTPCEMUQ8uvMHfWoH2_jlJOZxSmPEqfDU3kRp2zpnoZKdNUtlR4mR_Hyz_P1mj8cT_mZqGP9l5Ty_zQnyV3tXNLmM6-H9x6Xss-RJnDC5uMrlQixuMnZ0Kc_jD4D_jaw</recordid><startdate>201405</startdate><enddate>201405</enddate><creator>Yuan, Wenping</creator><creator>Liu, Dan</creator><creator>Dong, Wenjie</creator><creator>Liu, Shuguang</creator><creator>Zhou, Guangsheng</creator><creator>Yu, Guirui</creator><creator>Zhao, Tianbao</creator><creator>Feng, Jinming</creator><creator>Ma, Zhuguo</creator><creator>Chen, Jiquan</creator><creator>Chen, Yang</creator><creator>Chen, Shiping</creator><creator>Han, Shijie</creator><creator>Huang, Jianping</creator><creator>Li, Linghao</creator><creator>Liu, Huizhi</creator><creator>Liu, Shaoming</creator><creator>Ma, Mingguo</creator><creator>Wang, Yanfeng</creator><creator>Xia, Jiangzhou</creator><creator>Xu, Wenfang</creator><creator>Zhang, Qiang</creator><creator>Zhao, Xinquang</creator><creator>Zhao, Liang</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>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>201405</creationdate><title>Multiyear precipitation reduction strongly decreases carbon uptake over northern China</title><author>Yuan, Wenping ; 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Biogeosci</addtitle><date>2014-05</date><risdate>2014</risdate><volume>119</volume><issue>5</issue><spage>881</spage><epage>896</epage><pages>881-896</pages><issn>2169-8953</issn><eissn>2169-8961</eissn><abstract>Drought has been a concern in global and regional water, carbon, and energy cycles. From 1999 to 2011, northern China experienced a multiyear precipitation reduction that significantly decreased water availability as indicated by the Palmer Drought Severity Index and soil moisture measurements. In this study, a light use efficiency model (EC‐LUE) and an ecosystem physiological model (IBIS) were used to characterize the impacts of long‐term drought on terrestrial carbon fluxes in northern China. EC‐LUE and IBIS models showed the reduction of averaged GPP of 0.09 and 0.05 Pg C yr−1 during 1999–2011 compared with 1982–1998. Based on the IBIS model, simulated ecosystem respiration experienced an insignificant decrease from 1999 to 2011. The multiyear precipitation reduction changed the regional carbon uptake of 0.011 Pg C yr−1 from 1982 to 1998 to a net source of 0.018 Pg C yr−1 from 1999 to 2011. Moreover, a pronounced decrease in maize yield in almost all provinces in the study region was found from 1999 to 2011 versus the average of yield from1978 to 2011. The largest maize yield reduction occurred in Beijing (2499 kg ha−1 yr−1), Jilin (2180 kg ha−1 yr−1), Tianjing (1923 kg ha−1 yr−1), and Heilongjiang (1791 kg ha−1 yr−1), and the maize yield anomaly was significantly correlated with the annual precipitation over the entire study area. Our results revealed that recent climate change, especially drought‐induced water stress, is the dominant cause of the reduction in the terrestrial carbon sink over northern China. Key Points Northern China experienced a multiyear precipitation reduction from 1999‐2011 The multiyear drought changed the regional carbon sink to source Maize yield decreased in the study region responded to drought</abstract><cop>Washington</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/2014JG002608</doi><tpages>16</tpages></addata></record>
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subjects Carbon
Carbon sinks
Carbon uptake
China
Climate change
Corn
Crop yield
Drought
Droughts
Ecosystems
Maize
Northern China
Precipitation
Reduction
Regional
Soil moisture
Vegetation primary production
Water availability
Water stress
title Multiyear precipitation reduction strongly decreases carbon uptake over northern China
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