地球信息科学学报 ›› 2018, Vol. 20 ›› Issue (8): 1160-1168.doi: 10.12082/dqxxkx.2018.180041
所属专题: 气候变化与地表过程
王菲菲1,2(), 赵小锋1,3,*(
), 刘秀广4, 刘嘉慧1,2, 林剑艺1
收稿日期:
2018-01-11
修回日期:
2018-04-03
出版日期:
2018-08-25
发布日期:
2018-08-24
通讯作者:
赵小锋
E-mail:ffwang@iue.ac.cn;xfzhao@iue.ac.cn
作者简介:
作者简介:王菲菲(1994-),女,硕士生,主要从事城市环境遥感与GIS研究。E-mail:
基金资助:
WANG Feifei1,2(), ZHAO Xiaofeng1,3,*(
), LIU Xiuguang4, LIU Jiahui1,2, LIN Jianyi1
Received:
2018-01-11
Revised:
2018-04-03
Online:
2018-08-25
Published:
2018-08-24
Contact:
ZHAO Xiaofeng
E-mail:ffwang@iue.ac.cn;xfzhao@iue.ac.cn
Supported by:
摘要:
本研究利用厦门市4个季节的Landsat-5 TM遥感影像和气象资料,反演地表净辐射通量,进而分析其季相变化特征;使用景观格局指数表征和描述地表覆盖的空间组成与配置,采用相关分析、偏相关分析、逐步回归和方差分解相结合的方法,从多季节角度研究地表覆盖格局对地表净辐射通量的影响。结果表明:① 厦门市地表净辐射通量平均值夏季最高,春季次之,秋季和冬季较低,地表净辐射通量在水体和林地区域较高,建设用地和裸地等其他地表覆盖类型区域较低;② 地表覆盖的空间配置对地表净辐射通量没有显著影响;③ 地表覆盖的空间组成对地表净辐射通量产生重要影响,全年内林地和裸地所占面积比例对地表净辐射通量的影响最显著,林地所占面积比例是影响和解释地表净辐射通量跨季节差异的最重要和持续有效的因素。该研究加深了关于地表覆盖格局对地表净辐射通量的影响的科学认知,有助于探索城市热岛的形成和演变机制,也可为城市规划和可持续发展提供理论依据和实践指导。
王菲菲, 赵小锋, 刘秀广, 刘嘉慧, 林剑艺. 城市地表净辐射通量的季相变化及与地表覆盖格局的关系研究[J]. 地球信息科学学报, 2018, 20(8): 1160-1168.DOI:10.12082/dqxxkx.2018.180041
WANG Feifei,ZHAO Xiaofeng,LIU Xiuguang,LIU Jiahui,LIN Jianyi. Seasonal Variations of Urban Surface Net Radiation and Its Relationship to Land Cover Pattern[J]. Journal of Geo-information Science, 2018, 20(8): 1160-1168.DOI:10.12082/dqxxkx.2018.180041
表1
景观格局指数"
指数中文名称 | 指数英文缩写 | 指数类型 |
---|---|---|
蔓延度指数 | CONTAG | 景观级别 |
Shannon多样性指数 | SHDI | 景观级别 |
Shannon均度指数 | SHEI | 景观级别 |
斑块所占景观面积比例 | PLAND | 类型级别 |
斑块平均面积 | AREA_MN | 景观级别,类型级别 |
斑块密度 | PD | 景观级别,类型级别 |
最大斑块占景观面积比例 | LPI | 景观级别,类型级别 |
边缘密度 | ED | 景观级别,类型级别 |
景观形状指数 | LSI | 景观级别,类型级别 |
景观导度指数 | COHESION | 景观级别,类型级别 |
平均欧氏最近邻距离 | ENN_MN | 景观级别,类型级别 |
斑块平均形状指数 | SHAPE_MN | 景观级别,类型级别 |
表2
相关分析"
景观格局 指数 | 地表净辐射通量(秋) | 地表净辐射通量(冬) | 地表净辐射通量(春) | 地表净辐射通量(夏) |
---|---|---|---|---|
ED1 | -0.720** | -0.584** | -0.345* | -0.647** |
COHESION1 | -0.560** | -0.529** | -0.363* | -0.624** |
PLAND2 | -0.579** | -0.694** | -0.698** | -0.504** |
PD2 | -0.658** | -0.592** | -0.648** | -0.684** |
LPI2 | -0.495** | -0.617** | -0.661** | -0.426** |
ED2 | -0.666** | -0.702** | -0.695** | -0.605** |
PLAND5 | 0.661** | 0.741** | 0.620** | 0.695** |
LPI5 | 0.692** | 0.751** | 0.611** | 0.681** |
AREA_MN5 | 0.488** | 0.552** | 0.444** | 0.586** |
AREA_MN | 0.640** | 0.647** | 0.426** | 0.613** |
ENN_MN | 0.412** | 0.527** | 0.345* | 0.344* |
表3
偏相关分析"
景观格局 指数 | 地表净辐射通量(秋) | 地表净辐射通量(冬) | 地表净辐射通量(春) | 地表净辐射通量(夏) |
---|---|---|---|---|
ED1 | -0.405* | 0.214 | 0.370* | -0.249 |
COHESION1 | -0.419* | 0.026 | 0.172 | -0.143 |
PD2 | -0.286 | -0.054 | -0.107 | -0.322 |
LPI2 | 0.021 | 0.065 | -0.099 | 0.030 |
ED2 | -0.298 | -0.086 | -0.078 | -0.230 |
LPI5 | 0.377* | 0.361* | 0.054 | 0.028 |
AREA_MN5 | 0.382* | 0.079 | 0.114 | 0.011 |
AREA_MN | 0.394* | 0.036 | -0.373* | 0.000 |
ENN_MN | 0.197 | 0.046 | -0.112 | -0.098 |
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