Journal of Natural Resources, Volume. 35, Issue 5, 1216(2020)
Spatiotemporal evolution of effective accumulated temperatures of ≥5 ℃ and ≥10 ℃ based on grid data in China from 1961 to 2016
Figures & Tables(8)
Fig. 1. Spatial distribution of climate tendency rate of effective accumulative temperature on the basis of ≥5 ℃ and ≥ 10 ℃
Fig. 2. Spatial distribution of the mean effective accumulative temperature from 1961 to 2016
Fig. 3. The accumulated anomaly and MK abrupt change test of mean effective accumulative temperature for ≥5 ℃ and ≥10 ℃ from 1961 to 1990 in China
Fig. 4. Spatial distribution of the mean effective accumulative temperature from 1961 to 1997, 1997 to 2016 and the change between them
Fig. 5. The variations in the average value of the initial day (a, d), final day (b, e), duration (c, f) of the effective accumulative temperature （a-c for ≥5 ℃ and d-f for ≥10 ℃） between 1961-1997 and 1997-2016
Table 1. The area percentage in various interdecadal effective accumulative temperature zones for ≥5 ℃ and ≥10 ℃ from 1961 to 2016 （%）
View tableView in ArticleTable 1. The area percentage in various interdecadal effective accumulative temperature zones for ≥5 ℃ and ≥10 ℃ from 1961 to 2016 （%）
有效积温带/(℃·d) 0~1000 1000~2000 2000~3000 3000~4000 >4000 5 ℃ 24.78 17.79 23.17 20.24 14.02 10 ℃ 39.89 29.53 23.82 5.06 1.70
Table 2. The percentage of acquired area and lost area after 1997 for each accumulated temperature zone on the basis of ≥5 ℃ and ≥10 ℃ (%)
View tableView in ArticleTable 2. The percentage of acquired area and lost area after 1997 for each accumulated temperature zone on the basis of ≥5 ℃ and ≥10 ℃ (%)
5 ℃/(℃·d) 扩展面积 减少面积 实际增减 10 ℃/(℃·d) 扩展面积 减少面积 实际增减 0~1000 0.18 1.37 -1.20 0~1000 0.02 3.67 -3.65 1000~2000 1.46 4.09 -2.62 1000~2000 3.67 3.28 0.39 2000~3000 4.02 3.44 0.58 2000~3000 3.26 3.46 -0.20 3000~4000 3.41 4.17 -0.76 3000~4000 3.46 0.97 2.48 >4000 4.11 0.11 4.00 >4000 0.97 0.00 0.97
Table 3. Percentages of the changing grid points of initial and end days (ahead or delayed) and duration (increase or decrease) of ≥5 ℃ and ≥10 ℃ (%)
View tableView in ArticleTable 3. Percentages of the changing grid points of initial and end days (ahead or delayed) and duration (increase or decrease) of ≥5 ℃ and ≥10 ℃ (%)
推迟1 d以上 提前0~10 d 提前10~20 d 提前20 d以上 5 ℃初始日 3.15 82.48 12.75 1.62 10 ℃初始日 3.89 82.79 9.72 3.60 提前1 d以上 推迟0~10 d 推迟10~20 d 推迟20 d以上 5 ℃结束日 5.56 86.54 6.80 1.10 10 ℃结束日 2.63 86.08 5.35 5.94 提前1 d以上 增加0~10 d 增加10~20 d 增加20 d以上 5 ℃持续时间 1.34 60.95 32.28 5.44 10 ℃持续时间 1.98 70.28 25.73 2.01
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Shuai LI, Bo ZHANG, Bin MA, Qi HOU, Hang HE. Spatiotemporal evolution of effective accumulated temperatures of ≥5 ℃ and ≥10 ℃ based on grid data in China from 1961 to 2016[J]. Journal of Natural Resources, 2020, 35(5): 1216
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Received: Mar. 4, 2019
Accepted: --
Published Online: Oct. 17, 2020
The Author Email: ZHANG Bo (zhangbo@nwnu.edu.cn)
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