江苏盐城湿地遥感动态监测及景观变化分析
赵玉灵1 , 郁万鑫2 , 聂洪峰1
1.中国国土资源航空物探遥感中心,北京100083; 2.中国地质大学(北京),北京100083
An Analysis of Dynamic Change and Landscape Spatial Pattern of the Wetlands in Yancheng of Jiangsu Province Based on Remote Sensing Technology
ZHAO Yu-ling 1 , YU Wan-xin 2 , NIE Hong-feng 1
1.China Aero Geophysical Survey and Remote Sensing Center for Land and Resources, Beijing 100083,China; 2.Chinese University of Geosciences, Beijing 100083, China
摘要 利用CBERS、ETM、TM及MSS遥感数据,结合非遥感资料,提取了江苏盐城湿地资源信息,并采用景观类型转移矩阵、动态变化率、景
观破碎化分析等方法和马尔可夫预测模型对江苏盐城湿地景观进行了分析。调查表明,近30 a研究区域总湿地面积变化不大,但天然湿地在
减少,人工湿地在逐年增加,湿地人工化程度不断加重; 整个研究区域生态环境遭到破坏,目前仍有待改善; 造成研究区域景观格局变化
的主要因素是人为因素。
关键词 :
烧变岩 ,
反射光谱曲线 ,
高光谱 ,
信息提取
Abstract : Wetland has various ecosystems functions as well as economic and social values and hence is regarded as a mature
resource treasury and living environment for people’s existence and development. In recent years, due to economic
development and population growth, the human interference and destruction of the wetlands have become increasingly serious,
and the prevention of the degradation of wetlands has become a very important and urgent task. In this paper, the wetland
resource in Yancheng was extracted by using multi-source remote sensing data of CBERS, ETM, TM, MSS, in combination with
other non-remote sensing data, such as the terrain map. According to the information retrieval results, the authors
analyzed and forecast the change of wetland landscape by using the Markovian models, the Convertion Marix and the Dynamics
Rate. Based on data available, the authors hold that such changes in the landscape pattern is attributed to some natural
changes and human activities, such as geotectonic movement, climate, economic development and population growth, with the
human activities being the main factor responsible for landscape pattern variation.
Key words :
Burnt rock
Reflectance spectral curve
Hyperspectral
Information extraction
收稿日期: 2010-04-21
出版日期: 2010-11-13
基金资助: 中国地质调查局地质调查项目 “中国东部重要经济区带基础地质环境遥感调查与监测”(编号: 1212010510706)。
通讯作者:
赵玉灵(1971-),女,博士,高级工程师,主要从事遥感地质、生态环境遥感调查、数据库等方面的研究工作。
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