搜索结果: 286-300 共查到“知识库 地理学”相关记录2404条 . 查询时间(2.172 秒)
Salt Lake City’s Urban Growth and Kennecot Utah Copper: A Geographical Analysis of Urban Expansion onto a Previously Proposed Superfund Site Adjacent to the World’s Largest Copper Mine
Salt Lake City’s Urban Growth Kennecott Utah Copper Urban Expansion Adjacent to the World’s Largest Copper Mine
2014/10/20
Kennecott copper mine is one of the largest producers of pollution in the United States: it has contaminated over 72 square miles in the Salt Lake Valley. In 1998 alone, Kennecott, which is located on...
Shale-Derived Dissolved Organic Mattr as a Substrate for Subsurface Methanogenic Communities in the Antrim Shale, Michigan Basin, USA
Shale-Derived Dissolved Organic Matter Subsurface Methanogenic Communities the Antrim Shale Michigan Basin USA
2014/10/20
The microbial origin of methane produced from sedimentary basins is a subject of great interest, with implications for the global cycling of carbon as well as natural gas exploration. Despite the grow...
Th Wild Sky Wilderness Proposal: Politics, Process, and Participation in Wilderness Designation
Wilderness Washington State National Forests Local Participation Political Ecology Conservation
2014/10/20
Wild Sky, a proposed wilderness in Washington State, has been a source of local contention since its inception. Drawing on the theories of political ecology, international conservation, and actor-base...
From New Netherland to New York: European Geopolitics and the transformation of social and political space in colonial New York City
New Netherland New York European Geopolitics the transformation of social political space colonial New York City
2014/10/20
The purpose of this thesis is to demonstrate the ways in which the core-periphery relationships of English and Dutch colonial ventures in North America were impacted by local events in New Amsterdam-N...
Documenting the History of Oxygen Depletion in Lake St. Croix, Minnesota, Using Chironomidae Remains in the Sedimentary Record
Oxygen Depletion in Lake St. Croix Minnesota Chironomidae Remains the Sedimentary Record
2014/10/20
Lake St. Croix is a natural impoundment located at the southern end of the St. Croix River. Land use changes since European settlement (c. 1850) have resulted in nutrient runoff, eutrophication, and p...
Growth of chromidia-forming vahlkampfid amoebae from Laguna Figueroa, Baja California del Norte, Mexico and Eel Pond, Woods Hole, Massachusett, U.S. A. under limited oxygen gas conditions
chromia-forming vahlkampfia amoebae Laguna Figueroa Baja California del Norte Mexico and Eel Pond Woods Hole Massachusett U.S. A. limited oxygen gas conditions
2014/10/20
Paratetramitus jugosus, a vahlkampfiid amoebomastigote, was isolated into monoprotist/monobacterial (Bacillus sp.), cultures from laminated microbial mats (Laguna Figueroa, Baja California Norte, Mexi...
Assessment of 21st Century Climate Change Projections in Tropical South America and the Tropical Andes
21st Century Climate Change Projections Tropical South America the Tropical Andes
2014/10/20
The tropical Andes are one of the regions where climate change has been most evident. This is consistent with the notion that tropical high-elevation mountains will be more affected by warming. One of...
Rethinking Economy for Regional Development: Ontology, Performativity, and Enabling Frameworks for Participatory Vision and Action
Economy for Regional Development Ontology Performativity Enabling Frameworks Vision Action
2014/10/20
The basic premise of this thesis is that the stories we tell about "the economy" in discourses of regional economic development play an active role in shaping the economic worlds that we live in. The ...
GEO-GRAPHIES: PERFORMING CITY SPACE AND ECONOMIC POSSIBILITY AND THE STORYTELLER OF CAIRO
city space literary geography global south Cairo performance
2014/10/20
Albert Cossery, known as the ‘story teller of Cairo’, weaves tales of the marginalized living in a city of the global South whose geographies have been impacted by colonial and neocolonial legacy. Cai...
《辽金农业地理》,这部书稿是一部颇具有学术水平的著作,不但填补了本学科的一项空白,而且也对当前国家经济建设与环境利用,有一定的借鉴意义。该书稿持之有故,言之成理,反映了该分支学科所达到的最新水平,堪称佳构,可以预见将对学术研究产生重要影响,并于当前的社会经济建设亦大有裨益……
《二十五史水利资料综汇》
二十五史 水利 资料综汇
2017/5/15
我国的水利事业历史悠久,成就辉煌,在历代文献中有着丰富的记载。其中,珍贵的历史巨著“二十五史”中水利资料尤为繁多,除《河渠志》和《沟洫志》有专门记述外,其散见于纪、传、志、表中的 记载也很丰富。但这些资料分散,查找颇费精力,利用十分不便。为便于学术界利用这些资料,张芳教授从1979年起,从事帙卷浩大的“二十五史”水利资料的收集工作,将散见于各史篇章的水利资料录成一帙,名之为《二十五史水利资料综汇》...
Investigation on the Automatic Geo-Referencing of Archaeological UAV Photographs by Correlation with Pre-Existing Ortho-Photos
Geo-referencing unmanned aerial vehicle archaeology automation correlation image matching
2014/7/30
We present a method for the automatic geo-referencing of archaeological photographs captured aboard unmanned aerial vehicles (UAVs), termed UPs. We do so by help of pre-existing ortho-photo maps (OPMs...
当前,土地利用转型研究总体上处于“描述—解释”阶段,高度集中在森林转型研究领域及空间形态研究路径。学术界亟须推动土地利用转型研究向科学调控阶段发展。对此,本文尝试提出耕地转型的研究路径,以期带动土地利用转型研究领域向半人工半自然复合土地系统乃至人工土地系统拓展、研究路径向非空间形态延伸。耕地转型诊断可以从空间形态转型与功能形态转型两条路径开展。其中,前一路径关注耕地的空间分布及其收缩与扩张,可以从...
中华竹鼠(Rnizomys sinehsis)春季洞穴生境选择初步研究
中华竹鼠 洞穴生境选 元宝山自然保护区
2014/1/10
2009年1~4月,在广西元宝山自然保护区对中华竹鼠洞穴生境选择进行了研究.野外共测量了85个10 m×10 m样方13个生态因子,其中利用样方54个,未利用样方31个.运用频次分析和Mann-Whitney U检验表明:郁闭度、人为干扰距离、避风性、灌木密度、灌木距离、食物因子和海拔对中华竹鼠洞穴生境选择存在显著影响(P<0.05);距水源距离、坡向、坡位、乔木密度、乔木距离和坡度没有影响(P>...