【摘要】：本文基于ArcGIS Server和Flex技術(shù),利用土地利用動態(tài)變化、景觀格局指數(shù)和生態(tài)風(fēng)險方法,實現(xiàn)了WebGIS版紅樹林信息管理系統(tǒng)。它與傳統(tǒng)WebGIS程序相比,具有美觀的界面、易開發(fā)性、強交互性、良好的用戶體驗等特點,并且能充分利用計算機、服務(wù)器和網(wǎng)絡(luò)等系統(tǒng)資源,實現(xiàn)資源最佳配置。本文首先論述了珠三角紅樹林信息管理系統(tǒng)研究的背景與意義,闡明互聯(lián)網(wǎng)和信息化時代珠三角紅樹林專題管理信息系統(tǒng)建設(shè)的需要；然后對GIS在紅樹林研究中的應(yīng)用、WebGIS發(fā)展歷程與研究現(xiàn)狀、ArcGIS Server和Flex在WebGIS中應(yīng)用現(xiàn)狀進行綜述,介紹了研究區(qū)、本文研究目的、內(nèi)容、方法及技術(shù)路線；接著結(jié)合本次開發(fā)具體操作對系統(tǒng)開發(fā)平臺(RIA與Flex技術(shù)、ArcGIS Server平臺、ArsSDE與SQL Server空間數(shù)據(jù)庫)和系統(tǒng)開發(fā)關(guān)鍵技術(shù)(客戶端組件開發(fā)、服務(wù)器Java EE架構(gòu)、Tomcat服務(wù)器、地理處理服務(wù))進行了介紹和分析；其次,重點論述了珠三角紅樹林信息管理系統(tǒng)中評價與分析功能的理論方法,其中包括土地利用動態(tài)變化分析、景觀格局分析和濕地生態(tài)風(fēng)險評價理論與方法；最后構(gòu)建了珠三角紅樹林信息管理系統(tǒng),從需求分析、總體設(shè)計、數(shù)據(jù)處理與數(shù)據(jù)庫設(shè)計到功能模塊演示都進行了詳細分析和演示。本文主要研究結(jié)論如下：(1)本文展示了珠三角紅樹林信息管理系統(tǒng)的主要設(shè)計理念、過程與功能實現(xiàn),基于ArcGIS二次開發(fā)實現(xiàn)了地圖基本操作、圖層管理、要素查詢、搜索定位、標記繪圖、面積長度量算等功能,并實現(xiàn)了土地利用動態(tài)變化分析、景觀格局分析和濕地生態(tài)風(fēng)險評價功能,系統(tǒng)界面美觀、交互性強、運行流暢。(2)土地利用動態(tài)變化分析模塊中引入的土地利用結(jié)構(gòu)信息熵反映了紅樹林濕地土地利用景觀總體有序度、均勻度和優(yōu)勢度方面的變化,土地利用動態(tài)度衡量了研究時段每種地類的活躍程度,而這種變化的原因和活躍度的具體方向、大小,則利用了土地利用轉(zhuǎn)移矩陣來進行定量分析。土地利用結(jié)構(gòu)、土地利用信息熵、土地利用動態(tài)度和土地利用轉(zhuǎn)移矩陣分析方法互相關(guān)聯(lián)、層層遞進有利于分析、呈現(xiàn)紅樹林濕地土地利用信息變化。(3)景觀格局分析模塊中使用景觀格局指數(shù)方法,有利于反映大小、形狀、屬性不一的景觀斑塊類型和數(shù)目,以及在空間上的分布與組合規(guī)律,也可以一定程度反映具體的生態(tài)過程和生態(tài)意義。(4)生態(tài)風(fēng)險分析模塊中按照格網(wǎng)采樣,使用多種景觀格局指數(shù)計算各個采樣格網(wǎng)生態(tài)風(fēng)險,采用克里金模型進行空間最優(yōu)插值,最后進行地理處理服務(wù)結(jié)果發(fā)布,該方法有效的在瀏覽器/服務(wù)器模式中分析了紅樹林濕地生態(tài)風(fēng)險。(5)構(gòu)建了基于ArcGIS Server和Flex的WebGIS的通用設(shè)計框架,并分別從客戶端、服務(wù)器端和數(shù)據(jù)庫端闡述了該通用框架系統(tǒng)的具體實現(xiàn),且這個框架可以應(yīng)用到其他領(lǐng)域。
[Abstract]:Based on ArcGIS Server and Flex technology, the mangrove information management system of WebGIS version is realized by using land use dynamic change, landscape pattern index and ecological risk method. Compared with the traditional WebGIS program, it has the characteristics of beautiful interface, easy development, strong interaction and good user experience. It can make full use of the system resources such as computer, server and network, and realize the best allocation of resources. This paper first discusses the background and significance of the research on mangrove information management system in the Pearl River Delta, and expounds the needs of the construction of the mangrove management information system of the Pearl River Delta in the era of Internet and information technology. Then it summarizes the application of GIS in mangrove research, the development of WebGIS and the present situation of, ArcGIS Server and Flex in WebGIS, and introduces the research area, purpose, content, method and technical route of this paper. Then the system development platform (RIA and Flex technology, ArcGIS Server platform, ArsSDE and SQL Server spatial database) and system development key technologies (client component development, server Java EE architecture, Tomcat server) and system development platform (RIA and Flex technology, ArcGIS Server platform, ArsSDE and SQL Server spatial database) and system development key technology (client component development, server Java EE architecture, Tomcat server), Geo-processing services) were introduced and analysed; Secondly, the theory and method of evaluation and analysis function in mangrove information management system of Pearl River Delta are discussed, including land use dynamic change analysis, landscape pattern analysis and wetland ecological risk assessment theory and method. Finally, the mangrove information management system of Pearl River Delta is constructed. It is analyzed and demonstrated in detail from requirement analysis, overall design, data processing and database design to function module demonstration. The main conclusions of this paper are as follows: (1) this paper shows the main design concept, process and function realization of mangrove information management system in the Pearl River Delta. Based on the secondary development of ArcGIS, the basic operation of map, layer management, element query are realized. The functions of searching and locating, marking and drawing, measuring area length and so on are realized. The functions of land use dynamic change analysis, landscape pattern analysis and wetland ecological risk assessment are realized. The interface of the system is beautiful and the interaction is strong. (2) the information entropy of land use structure introduced in the land use dynamic change analysis module reflects the changes in the overall order, evenness and dominance of mangrove wetland land use landscape. The dynamic degree of land use measures the active degree of each type of land in the study period, but the reason of this change and the specific direction and magnitude of the activity degree are quantitatively analyzed by using the land use transfer matrix. The structure of land use, the entropy of land use information, the dynamic attitude of land use and the analysis method of land use transfer matrix are related to each other. (3) the landscape pattern index method is used in landscape pattern analysis module, which is helpful to reflect the type and number of landscape patches with different size, shape and attribute. The distribution and combination law in space can also reflect the specific ecological process and ecological significance to some extent. (4) sampling according to grid in ecological risk analysis module. Using a variety of landscape pattern indices to calculate the ecological risk of each sampling grid, using Kriging model to carry out spatial optimal interpolation, and finally to publish the results of geographic processing services. This method effectively analyzes the ecological risk of mangrove wetland in browser / server mode. (5) the general design framework of WebGIS based on ArcGIS Server and Flex is constructed, and the client side, respectively, is used to analyze the ecological risk of mangrove wetland. The implementation of the general framework system is described on the server and database side, and this framework can be applied to other fields.
【學(xué)位授予單位】：昆明理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：S712;TP311.52

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