土地利用變化的可視化研究
發(fā)布時間：2018-08-26 14:45
【摘要】：在全球環(huán)境變化研究的背景下,土地利用變化已成為全球熱點關注的話題。本文嘗試利用21世紀大數(shù)據(jù)背景下豐富的資源,利用Cite SpaceⅢ軟件特有"一圖譜春秋,一覽無余;一圖勝萬言,一目了然"的優(yōu)勢,分別用Web of Science(WoS)數(shù)據(jù)庫收錄的以"land use change(土地利用變化)"為主題的文獻記錄和來自中國知網(CNKI)數(shù)據(jù)庫中以"土地利用變化"為主題詞搜索的文獻記錄作為數(shù)據(jù)源,以定量分析方式結合Cite SpaceⅢ可視化圖譜解讀探索基于WoS數(shù)據(jù)庫的土地利用變化的科研力量布局、學科知識基礎,以及對比分析基于WoS和CNKI兩個數(shù)據(jù)庫的數(shù)據(jù)進行研究熱點與前沿趨勢的可視化分析后結果的異同。期待為我國土地利用相關政策的制定提供科學的參考依據(jù),為我國在環(huán)境保護與可持續(xù)發(fā)展方面做出貢獻。經過一系列的數(shù)據(jù)處理與分析得出以下結論:1.國內外在"土地利用變化(land use change)"領域的合作關系:首先發(fā)文量最多的作者是VerburgPH,發(fā)文量為58篇。作者合作網絡中不具有合作關系的作者占一半以上。其次發(fā)文量最多的機構是中國科學院,發(fā)文量為744篇。中科院中心度值為0.32,在該領域機構合作網絡中具有非常權威的地位。最后美國發(fā)文量最多,為2761篇,同時美國是該領域最具有學術權威性的國家,其中心度為0.44。2.土地利用變化研究的學科知識基礎包括自然地理學領域、環(huán)境科學、生態(tài)、農業(yè)、遙感、水文、景觀學等等的理論知識基礎。該領域的學者應全面的掌握土地利用變化領域這幾個方面的學科知識基礎。3.國外在"土地利用變化(land use change)"領域的研究熱點關鍵詞主要有:"land use change(土地利用變化)" "land use(土地利用)" "climate change(氣候變化)""impact(影響)""model(模型)""management(管理)""biodiversity(生物多樣性)" "dynamics(驅動力)" "conservation(保護)" "forest(森林)" "vegetation(植被)" "deforestation(森林采伐)" "landscape(景觀)""gis(地理信息系統(tǒng))"以及"China(中國)"。結合關鍵詞突現(xiàn)分布情況得知目前的研究熱點主要是"生物燃料""生態(tài)系統(tǒng)服務""氣候""溫室氣體排放"等。4.國外在"土地利用變化(land use change)"領域的研究前沿包括:首先是關于"生物燃料"方面的相關研究。其次是氣候變化科學、氣候變化與土地利用變化之間相互作用關系的探索。再次是關于"Land change science,LCS(土地變化科學)"的相關領域的研究。可持續(xù)性影響評估(sustainability impact assessment,SIA)是LCS的重要研究領域,定量的構建SIA評價指標體系是核心研究趨勢。最后是關于世界森林對全球氣候的影響方面的研究,熱帶、溫帶以及寒帶地區(qū)的森林影響全球氣候的機制研究等。5.我國"土地利用變化(land use change)"的研究熱點與前沿趨勢:首先土地利用變化領域的關鍵詞分析得出國內研究熱點包括:第一個階段2002-2006年之間的土地利用變化研究主要集中在多時空以及區(qū)域層面的研究,理論應用于實踐,開始運用3S技術建立各種土地利用/土地覆被變化模型。第二個階段是2007-2015年,該階段的主要研究熱點包括LUCC生態(tài)環(huán)境效應研究,與前面不同的是在這個階段加入了碳排放的研究以及驅動機制的研究。其次是我國土地利用變化(land use change)的研究前沿包括前沿研究話題包括"碳排放""生態(tài)系統(tǒng)服務價值" "SWAT模型""氣候變化""情景模擬"等方面。6.國內外對比分析結果:我國目前對土地利用變化與生物燃料、土地利用變化溫室氣體排放之間的關系以及LCS等領域的研究較為缺乏。同時我國與其他國家在土地利用變化(land use change)領域的合作關系急需加強,通過合作提升國內在土地利用變化方面的科研水平是當務之急。
[Abstract]:Under the background of global environmental change research, land use change has become a hot topic in the world. This paper attempts to use the abundant resources in the background of large data in the 21st century, and use the unique advantages of Cite Space III software, which is "one map, spring and autumn, all at a glance; one picture is triumphant, all at a glance", to include them in the Web of Science (WoS) database. The research power of land use change based on WoS database was explored by quantitative analysis combined with Cite Space III visual Atlas interpretation, using "land use change" as the subject document record and "land use change" as the data source from CNKI database and "land use change" as the subject word search document record. Layout, subject knowledge base, and comparative analysis of data based on WoS and CNKI databases, the similarities and differences between the results of visual analysis of hot spots and frontier trends are expected to provide a scientific reference for the formulation of land use policies in China and contribute to environmental protection and sustainable development. A series of data processing and analysis have drawn the following conclusions: 1. Cooperation in the field of "land use change" at home and abroad: Verburg PH is the first author with the largest number of papers, and 58 papers are issued. More than half of the authors have no cooperative relationship in the cooperative network. Secondly, China Science has the largest number of papers. The center degree of CAS is 0.32, and it has a very authoritative position in the network of institutional cooperation in this field. Finally, the United States has the largest number of papers, which is 2761. At the same time, the United States is the most authoritative country in this field, with a center degree of 0.44.2. The scholars in this field should have a comprehensive grasp of the knowledge base of land use change in these aspects. 3. Foreign research hotspots in the field of land use change are mainly: "land use change" (land use change). Land use, climate change, impact, model, management, biodiversity, dynamics, conservation, vegetation, deforestation, landscape, GIS According to the distribution of key words, the current research hotspots are mainly "biofuels", "ecosystem services", "climate", "greenhouse gas emissions". 4. Foreign research frontiers in the field of "land use change" include: first, related research on "biofuels". Climate Change Science, Exploration of the Interaction between Climate Change and Land Use Change. Thirdly, research on the related fields of "Land Change Science, LCS". Sustainability Impact Assessment (SIA) is an important research field of LCS. Quantitative evaluation index system of SIA is constructed. Finally, it is about the impact of the world's forests on the global climate, tropical, temperate and cold zone forests on the global climate mechanism research. 5. China's "land use change" research hotspots and cutting-edge trends: first, land use change field keyword analysis obtained in the country Hotspots include: the first stage of land use change research between 2002 and 2006 mainly focused on Multi-temporal and regional level of research, theory applied to practice, began to use 3S technology to establish a variety of land use / land cover change models. The second stage is 2007-2015, the main research hotspots of this stage include LUCC. Second, the research frontiers of land use change in China include the frontier topics of carbon emissions, ecosystem services value, SWAT model, climate change and scenario simulation. 6. The comparative analysis results at home and abroad show that there is a lack of research on the relationship between land use change and biofuels, greenhouse gas emissions from land use change and LCS in China. It is a pressing matter of the moment to make use of the scientific research level of change.
【學位授予單位】：內蒙古農業(yè)大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：F301.2
本文編號：2205197
[Abstract]:Under the background of global environmental change research, land use change has become a hot topic in the world. This paper attempts to use the abundant resources in the background of large data in the 21st century, and use the unique advantages of Cite Space III software, which is "one map, spring and autumn, all at a glance; one picture is triumphant, all at a glance", to include them in the Web of Science (WoS) database. The research power of land use change based on WoS database was explored by quantitative analysis combined with Cite Space III visual Atlas interpretation, using "land use change" as the subject document record and "land use change" as the data source from CNKI database and "land use change" as the subject word search document record. Layout, subject knowledge base, and comparative analysis of data based on WoS and CNKI databases, the similarities and differences between the results of visual analysis of hot spots and frontier trends are expected to provide a scientific reference for the formulation of land use policies in China and contribute to environmental protection and sustainable development. A series of data processing and analysis have drawn the following conclusions: 1. Cooperation in the field of "land use change" at home and abroad: Verburg PH is the first author with the largest number of papers, and 58 papers are issued. More than half of the authors have no cooperative relationship in the cooperative network. Secondly, China Science has the largest number of papers. The center degree of CAS is 0.32, and it has a very authoritative position in the network of institutional cooperation in this field. Finally, the United States has the largest number of papers, which is 2761. At the same time, the United States is the most authoritative country in this field, with a center degree of 0.44.2. The scholars in this field should have a comprehensive grasp of the knowledge base of land use change in these aspects. 3. Foreign research hotspots in the field of land use change are mainly: "land use change" (land use change). Land use, climate change, impact, model, management, biodiversity, dynamics, conservation, vegetation, deforestation, landscape, GIS According to the distribution of key words, the current research hotspots are mainly "biofuels", "ecosystem services", "climate", "greenhouse gas emissions". 4. Foreign research frontiers in the field of "land use change" include: first, related research on "biofuels". Climate Change Science, Exploration of the Interaction between Climate Change and Land Use Change. Thirdly, research on the related fields of "Land Change Science, LCS". Sustainability Impact Assessment (SIA) is an important research field of LCS. Quantitative evaluation index system of SIA is constructed. Finally, it is about the impact of the world's forests on the global climate, tropical, temperate and cold zone forests on the global climate mechanism research. 5. China's "land use change" research hotspots and cutting-edge trends: first, land use change field keyword analysis obtained in the country Hotspots include: the first stage of land use change research between 2002 and 2006 mainly focused on Multi-temporal and regional level of research, theory applied to practice, began to use 3S technology to establish a variety of land use / land cover change models. The second stage is 2007-2015, the main research hotspots of this stage include LUCC. Second, the research frontiers of land use change in China include the frontier topics of carbon emissions, ecosystem services value, SWAT model, climate change and scenario simulation. 6. The comparative analysis results at home and abroad show that there is a lack of research on the relationship between land use change and biofuels, greenhouse gas emissions from land use change and LCS in China. It is a pressing matter of the moment to make use of the scientific research level of change.
【學位授予單位】：內蒙古農業(yè)大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：F301.2
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