明清及民国时期黑河流域中游地区绿洲化荒漠化时空过程研究

作者： 石亮   来源： 兰州大学 年份： 2010 文献类型 ： 学位论文 关键词： 干旱区   黑河流域   明清及民国时期   绿洲化与荒漠化时空过程  

描述： had been also analyzed. The results showed that: 1. In the early Ming Dynasty, the study area had

全文：如下几点： 1.明朝占领黑河流域初期就开始了对这一地区的大规模开发,人工绿洲规模迅速扩大,此后人工绿洲规模开始逐渐萎缩；嘉靖至万历年间,明朝政府重整屯田,人工绿洲规模逐渐恢复并有所发展。 2.清朝时期

石羊河流域作物气候生产潜力及灌溉对策的研究

作者： 孙世坤   来源： 西北农林科技大学 年份： 2010 文献类型 ： 学位论文 关键词： GIS   气候生产潜力   灌溉需水量   对策   CROPWAT  

描述： be given when fully and rational use of local climatic resources such as solar radiation, heat and water, while other conditions (such as soil fertility, carbon dioxide concentration, cultivation level etc.)

全文：ArcGIS和Arcview软件分析石羊河流域春小麦、玉米作物蒸发蒸腾量、有效降水量和灌溉需水量的空间分布,为流域春小麦、玉米灌溉提供参考依据,提高流域作物现实产量。 本文得到以下主要结论: (1)石羊河流域

黄河流域农业立体污染综合防治模式研究

作者： 杨永坤   来源： 中国农业科学院 年份： 2010 文献类型 ： 学位论文 关键词： 农业立体污染   综合模式   黄河流域   仿真模型  

描述： he paper studies from the situation and feature of Agriculture Tri-dimension Pollution in Yellow River Basin areas, and divides it into several regions according to basin’s pollution feature by adopting the method of searching documents , research, systems analysis, quantitative and qualitative analysis and so on, and analyzes the problem of Agriculture Tri-dimension Pollution in Yellow River Basin areas from the view of tri-dimension and system by use of the theory of Environmental value, Technology Value, Ecology, Circular economy , uses System Dynamics to track dynamically the change in the future of the various variables in different modes and constructs the system mode of agricultural tri-dimension pollution in Yellow River Basin, and simulates the system;

全文：。论文研究取得了一下主要结论: 1、首次利用系统动力学方法构建的防治农业立体污染系统仿真模型与系统评价方法可靠。仿真技术建立的黄河流域农业立体污染综合防治技术模式在银川平原引黄灌区案例区实地验证结果表明:2001-2004年农业立体污染防治系统模型分析结果与案例区实测结果基本符合,最大相对误差<9.5%,最小误差

明清黄河流域元宵灯俗的历史地理学考察

作者： 苗峰   来源： 暨南大学 年份： 2010 文献类型 ： 学位论文 关键词： 历史地理学   九曲黄河灯会   黄河流域  

描述： The Jiuqu Yellow River Lantern Festival is one during the Lantern Festival in Yellow River Basin.

全文：九曲黄河灯会是盛行于我国黄河流域元宵节期间的一种民俗活动。从活动仪式来看,它弥漫着一种庄严、古朴的节日气息；从活动内涵来看,它包含有地理、军事、生育等方面的文化遗存；从地域分布来看,它明显受到

明清时期石羊河流域农业开发与环境变化研究

作者： 栾晓丽   来源： 陕西师范大学 年份： 2010 文献类型 ： 学位论文 关键词： 石羊河流域   农业开发   明清时期   环境变化  

描述： In history;the central and local separatist all valued the development of this area. During the Ming and Qing Dynasties,with the renewed fighting in the northwest, coupled with the rapid growth of the national population, In order to consolidating border defense and detenting Mainland population pressure,the land development of this area resumevted,which impacted histoy development of this area very profoundly Academic research in this area is more included in the academic research for the whole Hexi area or the entire northwest region, special articles in this area are also mainly concentrated in the lower reaches of Shiyang River, but these research the upper, middle and lower reaches of the river as a whole rarely,the connection among the three is.very close essentially.So this object has larger space to continue researching. This text includes introduction and body text.the introduction introduces the writing causes ,implication,and retrospects intellectual history, explains research objectives,Methods and important and difficult points of this object at the same time.The body text divides into six chapters.The first chapter analyzes the natural conditions and social infrastructure in this area.The second chapter mainly deals with immigration status which Ming and Qing government organize and encourage the population in the mainland move to this area,which provides manpower resources for agricultural development in this area,and this chapter discusses effectiveness of the immigration.The third chapter discusses construction of water conservancy which agricultural development requires,and summarizes pearls and pitfalls of water conservancy construction in this area during this period.The fourth chapter mainly deals with agricultural development in this area during the Ming and Qing dynasties,This chapter begin by the reasons for agricultural development and policies which the government urge and offer for, discusses region of agricultural development, reclamation success and evolution of tonden in this area during this time.The fifth chapter mainly discusses environmental problems that because of large-scale development in this period,and analyzes performance, hazard and measures that local people inoder to protecting the environment had taken.The sixth chapter summarizes experience and lessons those because of large-scale development in this period during this time,and explains inspiration for today's development. Research of this object is primarily based on literature of the Ming and Qing Dynasties and local records, and notes data that through field visits get, in order to make the discussion Speci.ficly and reasonably.

全文：位于河西走廊东部的石羊河流域是河西三大内陆河流域之一,其军事地理位置重要,历代中央王朝和割据于此的地方势力都十分重视对本区的开发。明清时期,随着西北战事再起,加上这一时期全国人口数量的急剧增长,为了

从仰韶到先周：全新世中晚期气候变化对黄、淮河流域文化发展的影响

作者： 孙倩   来源： 江西师范大学 年份： 2010 文献类型 ： 学位论文 关键词： 黄   考古文化   遗址类型   气候变化   生态坡   淮河流域  

描述： During the mid to late holocene, the human society experienced the alternation of the ancient culture and dynasty.

全文：全新世中晚期以来,人类社会经历了新石器文化的演化和朝代的更迭,而气候环境的影响是该过程的重要推动因素之一,这种气候环境对文化发展的影响在黄河、淮河流域表现的尤为突出,并呈现出某种内在规律性。 本文以

甘肃省黄河沿岸地区水资源承载能力分析

作者： 刘建兰   来源： 兰州大学 年份： 2010 文献类型 ： 学位论文 关键词： 甘肃省   沿黄地区   水资源   承载能力   系统动力学  

描述： th, the demand of water resource is continuously increasing. That is to say water shortage has become a global problem. Water resources carrying capacity is the basis and prerequisite of regional socio-economic development, which is significant to realize the coordinated development of regional "water resources- ecological environment-socio-economy" composite system. So it has become the focus and hot topic in water science field nowdays.

全文：、西北地区乃至黄河流域都会产生深远的影响。 本文以此地区的各县级单元为对象进行水资源承载能力的研究,根据对未来各年份水资源承载能力预测结果提出相应的区域发展对策,对社会经济发展具有重要意义。本文

甘肃省黄河沿岸地区水资源承载能力分析

作者： 刘建兰   来源： 兰州大学 年份： 2010 文献类型 ： 学位论文 关键词： 甘肃省   沿黄地区   水资源   承载能力   系统动力学  

描述： th, the demand of water resource is continuously increasing. That is to say water shortage has become a global problem. Water resources carrying capacity is the basis and prerequisite of regional socio-economic development, which is significant to realize the coordinated development of regional "water resources- ecological environment-socio-economy" composite system. So it has become the focus and hot topic in water science field nowdays.

全文：、西北地区乃至黄河流域都会产生深远的影响。 本文以此地区的各县级单元为对象进行水资源承载能力的研究,根据对未来各年份水资源承载能力预测结果提出相应的区域发展对策,对社会经济发展具有重要意义。本文

中国道教农业史——农业思想初探

作者： 赵文杰   来源： 山东大学 年份： 2010 文献类型 ： 学位论文 关键词： 农学   道家   农业   道教   思想  

描述： he civilization of agriculture of China has a long history.

全文：《农书》彪炳史册,《农书》在农业史上的地位和意义都是无可比拟的。《农书》记载了长江流域的水稻农业生产技术,提出了很多宝贵的农学思想。“地可以治”,“地力常新壮”等理论是极其精彩的,反驳了以往地力逐渐