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Permafrost response to land use and land cover change in the last millennium across the Northern Hemisphere
Peng, Xiaoqing1; Zhang, Tingjun1; Frauenfeld, Oliver W.2; Du, Ran1
2020-03-03
Online publication date2020-03
Source PublicationLAND DEGRADATION & DEVELOPMENT   Impact Factor & Quartile Of Published Year  The Latest Impact Factor & Quartile
ISSN1085-3278
EISSN1099-145X
Volume31Issue:14Pages:1823-1836
page numbers14
AbstractLand use and land cover change (LULCC) can alter surface climate through biogeophysical feedbacks including the modification of energy, moisture, and momentum exchanges between the land and atmosphere. Permafrost, a component of the cryosphere, plays an important role in the climate system. However, the role of permafrost in LULCC in cold regions is still not clearly understood. Here, we employ a LULCC sensitivity experiment carried out by the community Earth system model last millennium ensemble project to investigate the effect of LULCC in permafrost regions across the Northern Hemisphere during 850-2005. LULCC is associated with statistically significant large-scale cooling in permafrost regions. The overall area-averaged annual surface air temperature decreased 0.37 degrees C during 850-2005, and soil temperature decreased 0.39 degrees C. Active layer thickness declined at a rate of -0.54 cm/100 year +/- 0.023 cm, with a net decline of 6.24 +/- 0.26 cm during 850-2005 in association with LULCC. Soil moisture also showed a decrease, most pronounced in summer and autumn. Seasonally, the greatest surface air temperature decreases occurred in autumn at a rate of -0.042 degrees C/100 year, and 0.2 m winter soil temperature decreased 0.036 degrees C/100 year, both with time lags. Comparisons of cooling associated with LULCC demonstrate that permafrost regions are more sensitive to LULCC than the rest of the Northern Hemisphere.
Keywordland cover land use last millennium Northern Hemisphere permafrost
PublisherWILEY
DOI10.1002/ldr.3578
Indexed BySCIE
Language英语
Funding ProjectNational Natural Science Foundation of China[41801028] ; Fundamental Research Funds for the Central Universities[lzujbky-2018-47] ; Lanzhou University[504000-[87080311]] ; State Key Laboratory of Frozen Soil Engineering[SKLFSE201707] ; National Key R&D Program of China[2019YFA0607003] ; Chinese Academy of Sciences[XDA20100313]
WOS Research AreaEnvironmental Sciences & Ecology ; Agriculture
WOS SubjectEnvironmental Sciences ; Soil Science
WOS IDWOS:000517790200001
PublisherWILEY
Original Document TypeArticle ; Early Access
Citation statistics
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/418393
Collection兰州大学
Corresponding AuthorPeng, Xiaoqing; Zhang, Tingjun
Affiliation
1.Lanzhou Univ, Coll Earth & Environm Sci, Minist Educ, Key Lab Western Chinas Environm Syst, Lanzhou 730000, Peoples R China
2.Texas A&M Univ, Dept Geog, College Stn, TX 77843 USA
Recommended Citation
GB/T 7714
Peng, Xiaoqing,Zhang, Tingjun,Frauenfeld, Oliver W.,et al. Permafrost response to land use and land cover change in the last millennium across the Northern Hemisphere[J]. LAND DEGRADATION & DEVELOPMENT,2020,31(14):1823-1836.
APA Peng, Xiaoqing,Zhang, Tingjun,Frauenfeld, Oliver W.,&Du, Ran.(2020).Permafrost response to land use and land cover change in the last millennium across the Northern Hemisphere.LAND DEGRADATION & DEVELOPMENT,31(14),1823-1836.
MLA Peng, Xiaoqing,et al."Permafrost response to land use and land cover change in the last millennium across the Northern Hemisphere".LAND DEGRADATION & DEVELOPMENT 31.14(2020):1823-1836.
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