兰州大学机构库
Inconsistency and correction of manually observed ground surface temperatures over snow-covered regions
Cao, Bin1; Wang, Shengdi2; Hao, Jiansheng3; Sun, Wen2; Zhang, Kun4,5
2023-07-15
Online publication date2023-05
Source PublicationAGRICULTURAL AND FOREST METEOROLOGY   Impact Factor & Quartile
ISSN0168-1923
Volume338
page numbers9
AbstractGround surface temperature (Ts) was manually measured using mercury thermometers in the early stage, and the snow surface temperature was substituted for Ts in areas with thick seasonal snow covers due to measurement difficulty. However, this practice produced Ts data that were inconsistent with more recent automatic measurements that determine Ts in the soil beneath the snow cover using modern instrumentation. In this study, we used observations from northeastern China to explore and correct this Ts inconsistency. Our results showed that the inconsistency varies from a few degrees to tens of degrees depending on the snow conditions and time periods considered. This inconsistency between earlier and modern measurements can lead to the overestimation of soil temperature warming rates in recent decades. We remove the Ts inconsistency using a numerical model that considers the effect of snow insulation on ground surface temperatures. This approach provides a means to improve Ts records that have similarly switched from manual to automatic measurements, which is critical for soil and climate investigations.
KeywordGround surface temperature Snow cover Snow insulation Numerical simulation
PublisherELSEVIER
DOI10.1016/j.agrformet.2023.109518
Indexed BySCIE
Language英语
WOS Research AreaAgriculture ; Forestry ; Meteorology & Atmospheric Sciences
WOS SubjectAgronomy ; Forestry ; Meteorology & Atmospheric Sciences
WOS IDWOS:001010423400001
Original Document TypeArticle
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/529884
Collection兰州大学
Corresponding AuthorWang, Shengdi; Hao, Jiansheng
Affiliation
1.Chinese Acad Sci, Inst Tibetan Plateau Res, Natl Tibetan Plateau Data Ctr TPDC, Key Lab Tibetan Plateau Earth Syst Environm & Reso, Beijing 100101, Peoples R China;
2.Lanzhou Univ, Coll Earth & Environm Sci, Key Lab Western Chinas Environm Syst, Minist Educ, Lanzhou 730000, Peoples R China;
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China;
4.Univ Hong Kong, Dept Math, Hong Kong 999077, Peoples R China;
5.Univ Hong Kong, Sch Biol Sci, Hong Kong 999077, Peoples R China
Recommended Citation
GB/T 7714
Cao, Bin,Wang, Shengdi,Hao, Jiansheng,et al. Inconsistency and correction of manually observed ground surface temperatures over snow-covered regions[J]. AGRICULTURAL AND FOREST METEOROLOGY,2023,338.
APA Cao, Bin,Wang, Shengdi,Hao, Jiansheng,Sun, Wen,&Zhang, Kun.(2023).Inconsistency and correction of manually observed ground surface temperatures over snow-covered regions.AGRICULTURAL AND FOREST METEOROLOGY,338.
MLA Cao, Bin,et al."Inconsistency and correction of manually observed ground surface temperatures over snow-covered regions".AGRICULTURAL AND FOREST METEOROLOGY 338(2023).
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