發(fā)布時(shí)間：2018-05-29 21:54

  本文選題：WebGIS + 3S技術(shù)　； 參考：《北京林業(yè)大學(xué)》2014年碩士論文

【摘要】：土壤風(fēng)蝕作為全球性的環(huán)境災(zāi)害,嚴(yán)重影響著各國生態(tài)環(huán)境安全和社會(huì)經(jīng)濟(jì)發(fā)展,同樣在我國干旱和半干旱地區(qū)土壤風(fēng)蝕災(zāi)害已成為最為棘手的環(huán)境問題之一,急需采取科學(xué)有效的防治措施。目前,傳統(tǒng)的土壤風(fēng)蝕監(jiān)測方法在基礎(chǔ)數(shù)據(jù)的處理與存儲(chǔ)、計(jì)算與分析上都存在一定的不足,不能夠及時(shí)有效的為各級(jí)部門提供直觀可視化的服務(wù)。本文針對(duì)當(dāng)前風(fēng)蝕監(jiān)測工作所存在的不足,以北京市永定河流域大興段作為研究區(qū),提出以土壤風(fēng)蝕模型作為基礎(chǔ)理論依據(jù),并結(jié)合3S技術(shù)、數(shù)據(jù)庫技術(shù)、網(wǎng)絡(luò)技術(shù)來構(gòu)建土壤風(fēng)蝕WebGIS系統(tǒng),實(shí)現(xiàn)基礎(chǔ)監(jiān)測數(shù)據(jù)的及時(shí)入庫管理、分析、顯示,實(shí)現(xiàn)土壤風(fēng)蝕的實(shí)時(shí)監(jiān)測,為各部門間的協(xié)同合作提供平臺(tái),為快速定量監(jiān)測土壤風(fēng)蝕量和風(fēng)蝕規(guī)律研究提供參考等。具體研究成果如下： 通過比對(duì)國內(nèi)外土壤風(fēng)蝕模型,根據(jù)研究區(qū)特點(diǎn)選取基礎(chǔ)模型,并進(jìn)行相關(guān)因子的修正與添加,構(gòu)建適用于區(qū)域土壤風(fēng)蝕監(jiān)測與估算的風(fēng)蝕模型,并在此基礎(chǔ)上,結(jié)合關(guān)系型數(shù)據(jù)庫和空間數(shù)據(jù)庫技術(shù),在ArcGIS Server for.NET平臺(tái)下開發(fā)出基于B/S模式的分布式風(fēng)蝕信息系統(tǒng),實(shí)現(xiàn)數(shù)據(jù)的處理、管理、分析、顯示等功能。以研究區(qū)2013年3-5月模型因子數(shù)據(jù)作為基礎(chǔ)數(shù)據(jù),將模擬結(jié)果與同一時(shí)期通過測釬法實(shí)測得到的結(jié)果進(jìn)行對(duì)比驗(yàn)證,最終得出系統(tǒng)運(yùn)算精度可達(dá)80%以上,基本可以滿足區(qū)域土壤風(fēng)蝕的監(jiān)測需求,為土壤風(fēng)蝕數(shù)據(jù)的規(guī)格化管理與共享服務(wù)提供技術(shù)支持,為各部門及時(shí)有效的了解風(fēng)蝕活動(dòng)變化提供平臺(tái)。
[Abstract]:As a global environmental disaster, soil wind erosion has seriously affected the ecological environment security and social and economic development of various countries, and has also become one of the most difficult environmental problems in arid and semi-arid areas of China. Scientific and effective preventive measures are urgently needed. At present, the traditional methods of soil wind erosion monitoring have some shortcomings in basic data processing, storage, calculation and analysis, and can not provide visual services for all levels of departments in time and effectively. In view of the shortcomings of current wind erosion monitoring work, this paper takes Daxing section of Yongding River Basin in Beijing as the research area, puts forward the soil wind erosion model as the basic theoretical basis, and combines 3s technology and database technology. Network technology is used to construct the soil wind erosion WebGIS system, to realize the timely storage management of the basic monitoring data, to analyze, to display, to realize the real time monitoring of soil wind erosion, and to provide a platform for the cooperative cooperation among the various departments. It provides a reference for rapid and quantitative monitoring of soil wind erosion and wind erosion law. The specific findings of the study are as follows: By comparing the wind erosion models at home and abroad, selecting the basic model according to the characteristics of the study area, and modifying and adding the relevant factors, a wind erosion model suitable for monitoring and estimating the regional soil wind erosion is constructed. A distributed wind erosion information system based on B / S model is developed on the ArcGIS Server for.NET platform with the technology of relational database and spatial database. The functions of data processing, management, analysis, display and so on are realized. Based on the data of model factors in the study area from May to May 2013, the simulation results are compared with those obtained from the measured results of the drilling method in the same period. Finally, the calculation accuracy of the system can reach more than 80%. It can basically meet the monitoring needs of regional soil erosion, provide technical support for the standardized management and sharing services of soil wind erosion data, and provide a platform for all departments to understand the changes of wind erosion activities in a timely and effective manner.
【學(xué)位授予單位】：北京林業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：S157;P208

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 劉玉紅;張衛(wèi)國;;基于GIS的土壤侵蝕研究系統(tǒng)框架的設(shè)計(jì)[J];安徽農(nóng)業(yè)科學(xué);2008年08期

2 范麗麗;沈珍瑤;劉瑞民;;基于GIS的大寧河流域土壤侵蝕評(píng)價(jià)及其空間特征研究[J];北京師范大學(xué)學(xué)報(bào)(自然科學(xué)版);2007年05期

3 曹先革;楊金玲;徐廷鵬;;WebGIS技術(shù)在數(shù)字城市規(guī)劃系統(tǒng)中的應(yīng)用[J];測繪工程;2009年05期

4 朱連奇;馮文峰;朱文博;;土壤侵蝕研究中的“3S”技術(shù)應(yīng)用進(jìn)展[J];地理科學(xué)進(jìn)展;2008年06期

5 陳渭南，董光榮，董治寶;中國北方土壤風(fēng)蝕問題研究的進(jìn)展與趨勢[J];地球科學(xué)進(jìn)展;1994年05期

6 楊秀春,嚴(yán)平,劉連友;土壤風(fēng)蝕研究進(jìn)展與評(píng)述[J];干旱地區(qū)農(nóng)業(yè)研究;2003年04期

7 李福金;秦志偉;;WebGIS開發(fā)平臺(tái)及實(shí)現(xiàn)技術(shù)的分析比較[J];測繪與空間地理信息;2011年04期

8 岳德鵬,劉永兵,臧潤國,王賢;北京市永定河沙地不同土地利用類型風(fēng)蝕規(guī)律研究[J];林業(yè)科學(xué);2005年04期

9 張光輝;土壤侵蝕模型研究現(xiàn)狀與展望[J];水科學(xué)進(jìn)展;2002年03期

10 廖超英,李靖,鄭粉莉,劉國彬;國外土壤風(fēng)蝕預(yù)報(bào)的研究歷史與動(dòng)向[J];水土保持研究;2004年04期

，

本文編號(hào)：1952553