2000—2021年三峡库区造林的陆地表面温度效应

doi:10.13287/j.1001-9332.202504.029

应用生态学报 ›› 2025, Vol. 36 ›› Issue (4): 1179-1188.doi: 10.13287/j.1001-9332.202504.029

2000—2021年三峡库区造林的陆地表面温度效应

张梓棉^1,2,3, 王卫光^1,2,3*, 李虹彬^1,2,3

¹河海大学水灾害防御全国重点实验室, 南京 210098;
²长江保护与绿色发展研究院, 南京 210098;
³河海大学水文水资源学院, 南京 210098

收稿日期:2024-09-20 接受日期:2025-02-22 出版日期:2025-04-18 发布日期:2025-10-18
通讯作者: *E-mail: wangweiguang@hhu.edu.cn
作者简介:张梓棉, 女, 2001年生, 硕士研究生。主要从事流域下垫面变化的响应研究。E-mail: zzm5229@163.com
基金资助:
国家自然科学基金项目(U2240218)

Land surface temperature effect of afforestation in the Three Gorges Reservoir Area during 2000-2021

ZHANG Zimian^1,2,3, WANG Weiguang^1,2,3*, LI Hongbin^1,2,3

¹National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210098, China;
²Yangtze Institute for Conservation and Development, Nanjing 210098, China;
³College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China

Received:2024-09-20 Accepted:2025-02-22 Online:2025-04-18 Published:2025-10-18

摘要/Abstract

摘要： 为探讨2000—2021年三峡库区造林活动对陆地表面温度的影响,本研究采用窗口搜索策略计算三峡库区林地的潜在温度效应,并通过反距离加权插值法计算造林的实际温度效应。结果表明:研究期间,三峡库区以林地与耕地的互相转换为最主要的土地利用变化形式;林地潜在温度效应在年际尺度上使白天所在陆地表面温度降低(0.09±0.02) ℃,夜晚降低(0.06±0.01) ℃,年均降低(0.07±0.01) ℃;造林的实际温度效应则表现为白天陆地表面温度降低0.05 ℃,夜晚降低0.01 ℃,年均降低0.02 ℃。三峡库区林地在白天和夜晚均产生了降温效应,且潜在温度效应的降温幅度大于实际降温效应,这一差异主要来源于潜在温度效应在植树造林强度的假设和处理方式上与实际观测值的不同。

关键词: 三峡库区, 造林, 温度效应, 窗口搜索策略

Abstract: We employed the window search strategy to investigate the impact of afforestation on land surface temperature (LST) in the Three Gorges Reservoir Area from 2000 to 2021. The inverse distance weighting interpolation method was used to quantify the actual temperature effect of afforestation. The results showed the primary form of land use changes in the Three Gorges Reservoir Area was the conversion between woodland and cultivated land. The potential temperature effect of woodland resulted in a decrease in daytime LST reduction of (0.09±0.02) ℃, a nighttime reduction of (0.06±0.01) ℃, and an annual reduction of (0.07±0.01) ℃ on the interannual scale. The actual temperature effect of afforestation led to a daytime LST reduction of 0.05 ℃, a nighttime reduction of 0.01 ℃, and an annual average reduction of 0.02 ℃. Those results indicated that woodland in the Three Gorges Reservoir Area exhibited a cooling effect during day and night. Furthermore, the cooling effect of the potential temperature was greater than that of the actual temperature, a discrepancy primarily attributed to the differences in the assumptions and handling of afforestation intensity between potential temperature effect and the observed value.

Key words: Three Gorges Reservoir Area, afforestation, temperature effect, window search strategy

张梓棉, 王卫光, 李虹彬. 2000—2021年三峡库区造林的陆地表面温度效应[J]. 应用生态学报, 2025, 36(4): 1179-1188.

ZHANG Zimian, WANG Weiguang, LI Hongbin. Land surface temperature effect of afforestation in the Three Gorges Reservoir Area during 2000-2021[J]. Chinese Journal of Applied Ecology, 2025, 36(4): 1179-1188.

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2000—2021年三峡库区造林的陆地表面温度效应

Land surface temperature effect of afforestation in the Three Gorges Reservoir Area during 2000-2021

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