發(fā)布時間：2018-11-22 08:42

【摘要】：黃土高原地區(qū)總體用地適宜性較差,土地資源緊缺。受自然條件及社會發(fā)展等的影響,該地區(qū)的農(nóng)村建設(shè)用地的利用呈現(xiàn)出粗放、效率低的特點(diǎn)。近些年,又有空心村、土地撂荒等新問題出現(xiàn)。通過農(nóng)村建設(shè)用地整理來提高農(nóng)村土地的利用效率、解決農(nóng)村土地利用的新問題、增加用地給就顯得十分重要,尤其是在土地資源緊缺的黃土丘陵區(qū)。而要使土地整理順利進(jìn)行,農(nóng)村建設(shè)用地整理潛力評價就必不可少。本研究以志丹縣為例,進(jìn)行黃土高原地區(qū)的農(nóng)村建設(shè)用地整理潛力的評價。結(jié)合土地集約理論、系統(tǒng)工程論等相關(guān)知識,運(yùn)用GIS技術(shù)及數(shù)理統(tǒng)計方法,從潛力水平和空間分布兩個方面對農(nóng)村建設(shè)用地整理潛力進(jìn)行定量評價。首先在已有數(shù)據(jù)的基礎(chǔ)上構(gòu)建地理數(shù)據(jù)庫,依托數(shù)據(jù)庫,利用人均建設(shè)用地標(biāo)準(zhǔn)法評價模型,實(shí)現(xiàn)研究區(qū)理論潛力的評價。評價結(jié)果表明研究區(qū)理論潛力大,空間分布有差異。其次基于地區(qū)的現(xiàn)實(shí)環(huán)境,構(gòu)建潛力修正指標(biāo)體系,利用多因素綜合評價模型,進(jìn)行理論潛力修正,測算實(shí)際潛力。實(shí)際潛力評價結(jié)果表明,各單元的實(shí)際條件對潛力實(shí)現(xiàn)的影響差異大,整理潛力評價有必要考慮現(xiàn)實(shí)因素的影響,且各單元經(jīng)濟(jì)社會發(fā)展越好越利于整理潛力的釋放。在現(xiàn)實(shí)潛力評價的基礎(chǔ)上,利用GIS技術(shù)的自然間斷點(diǎn)分級法,以綜合潛力系數(shù)為標(biāo)準(zhǔn)對研究區(qū)進(jìn)行整理潛力分級。依據(jù)整理潛力評價結(jié)果,通過構(gòu)建分區(qū)綜合指標(biāo)體系,利用綜合疊圖法進(jìn)行整理潛力分區(qū)。最后分析評價結(jié)果對研究區(qū)農(nóng)村建設(shè)用地整理提出實(shí)施建議�？傮w上,整個評價過程也表明GIS技術(shù)用于農(nóng)村建設(shè)用地整理潛力的評價具有良好的適應(yīng)性。
[Abstract]:The overall suitability of land use in the Loess Plateau is poor, and land resources are scarce. Under the influence of natural conditions and social development, the utilization of rural construction land in this area is characterized by extensive and low efficiency. In recent years, there are hollow villages, abandoned land and other new problems appear. It is very important to improve the efficiency of rural land use and solve the new problem of rural land use through the arrangement of rural construction land, especially in the loess hilly area where land resources are scarce. In order to make land consolidation smooth, rural construction land consolidation potential evaluation is essential. This study takes Zhidan County as an example to evaluate the potential of rural construction land consolidation in the Loess Plateau. Combined with land intensive theory, system engineering theory and other related knowledge, using GIS technology and mathematical statistics method, the potential of rural construction land consolidation is quantitatively evaluated from two aspects: potential level and spatial distribution. Firstly, based on the existing data, the geographic database is constructed, and the evaluation model of per capita construction land standard method is used to realize the evaluation of the theoretical potential of the research area by relying on the database. The evaluation results show that the theoretical potential of the study area is great and the spatial distribution is different. Secondly, based on the real environment of the region, the potential correction index system is constructed, and the theoretical potential correction is carried out by using the multi-factor comprehensive evaluation model, and the actual potential is calculated. The actual potential evaluation results show that the actual conditions of each unit have great influence on the realization of potential. It is necessary to consider the impact of practical factors on the consolidation potential evaluation, and the better the economic and social development of each unit is, the more conducive to the release of the consolidation potential. Based on the evaluation of practical potential, the natural discontinuous point classification method of GIS technique is used to classify the potential of the study area according to the comprehensive potential coefficient. According to the evaluation results of collation potential, a comprehensive index system was constructed, and the method of stacking map was used to sort out potential zoning. Finally, analysis and evaluation of the results of the study area of rural construction land consolidation proposed implementation recommendations. As a whole, the whole evaluation process also shows that GIS technology has good adaptability in evaluating the potential of rural construction land consolidation.
【學(xué)位授予單位】：西安建筑科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：F321.1

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