globalchange  > 全球变化的国际研究计划
DOI: 10.1080/01431161.2019.1579939
WOS记录号: WOS:000465406100006
论文题名:
Recent trends of ice phenology for eight large lakes using MODIS products in Northeast China
作者: Yang, Qian1,2; Song, Kaishan1; Wen, Zhidan1; Hao, Xiaohua3; Fang, Chong1
通讯作者: Song, Kaishan
刊名: INTERNATIONAL JOURNAL OF REMOTE SENSING
ISSN: 0143-1161
EISSN: 1366-5901
出版年: 2019
卷: 40, 期:14, 页码:5388-5410
语种: 英语
WOS关键词: CLIMATE-CHANGE ; SNOW-COVER ; TEMPORAL COHERENCE ; SATELLITE DATA ; TEMPERATURE ; SENSITIVITY ; HEMISPHERE ; ALTIMETRY ; IMPACTS ; ECOLOGY
WOS学科分类: Remote Sensing ; Imaging Science & Photographic Technology
WOS研究方向: Remote Sensing ; Imaging Science & Photographic Technology
英文摘要:

Optical remote sensing images with high temporal resolution can be used to monitor lake ice phenology, a periodic freezing and thawing cycle of ice resulting from seasonal and inter-annual climate variations. In the research reported here, we used MODIS satellite data to establish the time series of lake ice extent and extracted lake ice phenology dates and durations for eight large typical lakes in Northeast China for the hydrological years from 2003 to 2016. The MODIS-derived results were validated against ice records at hydrological stations. The mean absolute error for a freeze-up start (FUS), freeze-up end (FUE), break-up start (BUS) and break-up end (BUE) was 3.1, 4.8, 6.6 and 6.6 days, respectively. Our findings indicated that the investigated lakes were tending to freeze later and melt earlier and were frozen for a shortened period over time. FUS was experiencing a delay of 0.65 days per year and BUE was advancing by 0.19 days per year, implying a decrease of frozen duration (FD) of 0.84 days per year taking all eight lakes into consideration. The lake ice duration increased with latitude, and the lakes with a relatively smaller area had a higher yearly rate of change and were more variable compared with the larger ones. The relationship between lake ice phenology and other influencing factors was evaluated using correlation coefficients and partial least squares regression. The results showed that the freeze-up process was more dependent on the lake morphometry, while the break-up process was more dependent on climate changes, particularly on air temperature, which had the highest correlation coefficient (r = -0.69, p < 0.01).


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/143548
Appears in Collections:全球变化的国际研究计划

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作者单位: 1.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Changchun 130102, Jilin, Peoples R China
2.Jilin Jianzhu Univ, Coll Geoexplorat Sci & Technol, Changchun, Jilin, Peoples R China
3.Northwest Inst Ecoenvironm & Resources, Lab Remote Sensing & Geospatial Sci, Lanzhou, Gansu, Peoples R China

Recommended Citation:
Yang, Qian,Song, Kaishan,Wen, Zhidan,et al. Recent trends of ice phenology for eight large lakes using MODIS products in Northeast China[J]. INTERNATIONAL JOURNAL OF REMOTE SENSING,2019-01-01,40(14):5388-5410
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