地球信息科学学报 ›› 2018, Vol. 20 ›› Issue (6): 862-870.doi: 10.12082/dqxxkx.2018.180100
• 2017年中国地理信息科学理论与方法学术年会优秀论文专辑 • 上一篇
裴凤松1(), 王坤1, 刘小平2,1,*(
), 吴长江1, 周义1, 刘利安1
收稿日期:
2018-02-08
修回日期:
2018-03-28
出版日期:
2018-06-20
发布日期:
2018-06-20
通讯作者:
刘小平
E-mail:peifs@foxmail.com;liuxp3@mail.sysu.edu.cn
作者简介:
作者简介:裴凤松(1982-),男,博士,副教授,研究方向为GIS和地理模拟。E-mail:
基金资助:
PEI Fengsong1(), WANG Kun1, LIU Xiaoping1,2,*(
), WU Changjiang1, ZHOU Yi1, LIU Li'an1
Received:
2018-02-08
Revised:
2018-03-28
Online:
2018-06-20
Published:
2018-06-20
Contact:
LIU Xiaoping
E-mail:peifs@foxmail.com;liuxp3@mail.sysu.edu.cn
Supported by:
摘要:
城市化过程对植被初级生产具有重要影响。以往研究主要集中于城市用地扩张对植被初级生产力的直接影响分析,而较少关注其间接效果。本文以长江三角洲地区为例,分别从地区尺度和城市尺度分别分析了2000-2013年植被初级生产力的时空变化,探讨了其与气温、降水量及城市建成区绿化覆盖率的关系。研究表明:地区尺度上,2000-2013年长江三角洲植被初级生产力呈现不断增加,其中城市建成区植被初级生产力呈现显著增加的趋势(P<0.05);城市尺度上,城市建成区内植被初级生产力主要呈现增加的趋势,而其外围缓冲区内则与此相反。在当前气候变化背景下,这可能与城市建成区绿化覆盖率不断增加,及快速的城市扩张有关。
裴凤松, 王坤, 刘小平, 吴长江, 周义, 刘利安. 长江三角洲城市化地区植被初级生产力的时空变化研究[J]. 地球信息科学学报, 2018, 20(6): 862-870.DOI:10.12082/dqxxkx.2018.180100
PEI Fengsong,WANG Kun,LIU Xiaoping,WU Changjiang,ZHOU Yi,LIU Li'an. Temporal-spatial Dynamics of Vegetation Primary Productivity in the Urbanized Areas in the Yangtze River Delta, China[J]. Journal of Geo-information Science, 2018, 20(6): 862-870.DOI:10.12082/dqxxkx.2018.180100
表2
长江三角洲城市建成区及不同距离缓冲区内植被初级生产力的变化趋势"
城市名 | 0 km | 0~5 km | 5~10 km | |||||
---|---|---|---|---|---|---|---|---|
回归系数 | 显著性 | 回归系数 | 显著性 | 回归系数 | 显著性 | |||
常州 | 1.615 | 0.001 | -0.667 | 0.080 | -0.614 | 0.063 | ||
南京 | 1.973 | 0.000 | 0.850 | 0.078 | 0.899 | 0.007 | ||
南通 | 1.649 | 0.003 | -0.307 | 0.500 | 0.169 | 0.599 | ||
苏州 | 2.367 | 0.000 | 0.032 | 0.949 | -0.802 | 0.105 | ||
泰州 | -0.640 | 0.381 | -1.677 | 0.011 | -0.172 | 0.782 | ||
无锡 | 0.720 | 0.151 | -0.769 | 0.050 | -0.944 | 0.004 | ||
扬州 | 1.421 | 0.004 | 0.393 | 0.144 | 0.895 | 0.009 | ||
镇江 | 0.807 | 0.063 | -0.895 | 0.018 | -0.453 | 0.380 | ||
上海 | 2.548 | 0.000 | 1.511 | 0.047 | 0.681 | 0.282 | ||
杭州 | 0.934 | 0.017 | -0.419 | 0.100 | -0.077 | 0.851 | ||
湖州 | 0.919 | 0.037 | 0.269 | 0.429 | -0.566 | 0.259 | ||
嘉兴 | 0.440 | 0.111 | -1.491 | 0.000 | -1.202 | 0.010 | ||
宁波 | 0.668 | 0.093 | -0.812 | 0.034 | 0.539 | 0.209 | ||
绍兴 | 1.302 | 0.008 | 0.089 | 0.755 | 0.650 | 0.003 | ||
台州 | -0.564 | 0.305 | -0.973 | 0.002 | -0.618 | 0.127 | ||
舟山 | -1.097 | 0.066 | 0.475 | 0.053 | -0.117 | 0.758 |
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