贵州喀斯特高原土地系统变化空间尺度综合的一个研究方案  

Spatial Scales Integration of Land System Change:A Case Study Design on Guizhou Karst Plateau

作　　者：蔡运龙[1] 

机构地区：[1]北京大学城市与环境学院、土地科学中心、地表过程分析与模拟教育部重点实验室,北京100871

出　　处：《地球科学进展》2009年第12期1301-1308,共8页Advances in Earth Science

基　　金：国家自然科学基金项目“土地系统变化的空间尺度综合:贵州喀斯特高原案例研究”(编号:40871047);科技部创新方法工作项目“地理学方法研究”(编号:2007FY140800)资助

摘　　要："尺度"是认识世界和管理世界的一个重要视角,多尺度之间的相互关联是当前重要的学术前沿论题。尺度关联研究面临的主要问题是:①对scaling的理解不能局限于"尺度转换"或"尺度耦合",而需要对不同尺度的多种复杂关系("连通性")有综合的认识;②要正确认识尺度综合的目标,据此明确综合什么,如何综合;③解决尺度综合的方法不能仅从数学模型着手。以贵州喀斯特高原土地系统变化为研究案例,设计一个对贵州省域、乌江流域、猫跳河流域和若干小流域等多空间尺度土地变化进行综合的研究方案,力图为解决上述问题作出贡献。该案例研究针对土地管理可持续性决策多尺度协调的实际需求,以不同尺度之间"连通性"的判定为基础,重新厘定尺度综合在土地变化科学中的意义和内涵;以定性和定量相结合的途径,建立尺度综合的方法体系,包括基于尺度综合目标的土地变化及其驱动力和效应多尺度表征与数据协调方法,各尺度土地变化及其驱动力和效应之间"连通性"的发现与论证,土地变化及其驱动力和效应的多尺度综合集成;提供喀斯特地区土地变化格局、过程及其驱动力和效应的尺度综合研究案例,提供省域、省内大流域、中流域、小流域土地管理可持续性决策多尺度协调的依据和参数标准。Scale is an important perspective for understanding and managing the world. Multi-scale relationship is a key frontier thesis in current scientific research. Scales relationship studies need to address the following issues： （i）Understanding of scaling can not be limited to scale conversion or scale coupling, it needs comprehensive understanding of the complex relationship （connectivity） of a variety of different scales; （ii） It is necessary to cor- rectly understand the goal of scales comprehension, and hereby to clarify what should be synthesized and how it will be synthesized; （iii）The approach to integrate scales can not be mathematical model alone. This article takes the land system change in Guizhou Karst Plateau as a case study, designing a research program for integrating the land changes at various scales, and struggling to contribute to address the above issues. Based upon the results of accomplished researches such as Land Use/Cover Change and Its Impact to Sustainability of Land Use in the Karst Mountains of Southwest China, a key project of National Natural Science Foundation of China, this case study struggles to integrate spatial scales of patterns, processes, drivers and impacts of land change at multi-scales of Guizhou Province, Wujiang River Basin, Miaotiao River Basin and several other small catchments. Aiming at the actual need of multi-scales governence in sustainable land management, starting at the identification of complexity and connectivity between various scales, the concept and meanings of scales integration in land change science will be newly established, and the methodology of scales integration will be devepoled by means of quantitative methods combined with qualitative methods. The research includes： （i）To develop methods of multi-scales representation and data connection of land changes, their drivers and impacts, aimed at scales integration; （ii） To detect and demonstrate the connectivity of land changes and their drivers and impacts amony various scal

关 键 词：土地变化 空间尺度 连通性 尺度综合 贵州喀斯特高原 

分 类 号：F301.2[经济管理—产业经济] P96[天文地球—自然地理学]