气候因子对青藏高原植被生长的时间效应

刘宁, 彭守璋, 陈云明

Temporal effects of climate factors on vegetation growth on the Qingzang Plateau, China

Ning LIU, Shou-Zhang PENG, Yun-Ming CHEN

表3 同时考虑时间滞后与累积效应下气温与降水在青藏高原各植被类型上呈现的时间效应所占面积比例(%)

Table 3 Area proportion (%) of temporal effects of air temperature and precipitation on each vegetation type on the Qingzang Plateau evaluated by models considering both time lag and accumulation effects

土地覆盖类型 Land cover type 气温 Air temperature 降水 Precipitation 无时间 效应 No 滞后 效应 Lag 累加 效应 Acc 滞后与累加 的联合效应 Combined 无时间 效应 No 滞后 效应 Lag 累加 效应 Acc 滞后与累加 的联合效应 Combined 常绿针叶林 Evergreen needleleaf forests 12.55 13.25 19.88 54.32 6.86 17.42 18.42 57.30 常绿阔叶林 Evergreen broadleaf forests 8.06 17.53 21.84 52.57 7.07 14.74 16.66 61.53 落叶阔叶林 Deciduous broadleaf forests 10.87 14.25 16.33 58.55 6.40 15.71 16.33 61.56 混交林 Mixed forests 11.30 14.64 19.19 54.86 5.92 14.45 16.59 63.04 稀疏灌丛 Sparse shrublands 7.00 18.68 14.04 60.28 6.68 14.47 22.44 56.41 木本稀树草原 Woody savannas 12.51 14.04 19.89 53.56 7.06 16.62 17.20 59.12 稀树草原 Savannas 10.55 17.88 19.18 52.39 6.72 12.49 14.95 65.84 草地 Grasslands 13.55 17.43 18.22 50.81 8.07 12.57 24.65 54.71 永久性湿地 Permanent wetlands 11.88 13.86 24.75 49.50 7.67 14.11 23.51 54.70 耕地 Croplands 15.79 19.29 18.45 46.46 8.44 12.23 29.17 50.15