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1.
宽级配弱固结土体中细颗粒的迁移是导致滑坡和泥石流的一个重要原因。本文总结了宽级配弱固结土和细颗粒分界粒径的基本概念,以及细颗粒迁移特性,并总结了现有细颗粒迁移在各学科研究的实验方法、数值模拟方法以及研究成果。现有研究表明在宏观尺度上,宽级配土体内细颗粒在水动力条件下的迁移,会导致土体孔隙堵塞,是土体渗透性的降低、发生滑坡泥石流的重要原因;同时亦影响水利科学中土石坝运行,甚至造成管涌破坏。在细观尺度上,相关成果仍旧不完善,亟待在今后进行深入研究。未来建议重点发展微观数值模拟技术,高精度的试验监测手段,并考虑孔隙结构和颗粒级配变化、细观-微观-宏观多尺度转换以及气、固、流多相流耦合条件下的细颗粒迁移规律。  相似文献   

2.
云南东川蒋家沟泥石流频率高,变化多.每场泥石流包含几十到几百个阵流,各阵流具有不同的密度、流体性质和运动形态,流量涨落达3个数量级.这些特征意味着泥石流具有很强的随机性.根据蒋家沟的演化分区和野外观测,可以发现泥石流形成于特殊的源地分支.土体活动(包括滑坡、崩塌和局部的土体流动等)随机发生在那些分支流域,如果认为各源地的土体活动是独立的,而且活动强度正比于源地的面积,那么泥石流的形成和汇流就是一个空间Poisson过程.其结果是阵流流量服从指数分布,这很好地符合蒋家沟的泥石泥观测数据.从蒋家沟泥石流的随机性可见,泥石流依赖于流域的特定源区及其分布,而不是笼统地取决于全流域的地貌或几何因子.  相似文献   

3.
泥石流源区弱固结砾石土的渗透规律   总被引:7,自引:5,他引:7  
陈宁生  张军 《山地学报》2001,19(2):169-171
泥石流源区砾石土的渗透过程是泥石流形成全过程中不可缺少的一个子过程,该研究对泥石流形成规律的认识和对泥石流汇流计算具有重要的意义。为此,笔者与日本学者一道选择蒋家沟支沟——大凹子沟的弱固结坡积物坡面做径流产流实验,实验区面积4000cm^2,实验用可控的头降雨,通过接收和量取超渗产流的量,判断土体是否达到稳定下渗,得出初始下渗率为0.55mm/min,参数口为0.56。通过下渗率与时间关系的曲线描述.建立泥石流源区砾石土的渗透方程,该方程可用物分析泥石流源区激发雨量过程的渗透规律,同时揭示泥石流源区产流过程地表径流的形成机理及其与流体能产生及流量的关系。通过大凹子沟1994-06-15-16日的降雨资料可计算出超渗产流为0.415mm/min.其总流量占泥石流总流量的17.8%。  相似文献   

4.
泥石流多发区蒋家沟流域的下渗与产流特点   总被引:3,自引:0,他引:3  
在云南东川蒋家沟泥石流源区多个典型点,进行野外下渗试验得出蒋家沟流域宽级配土的下渗特征。试验发现:1.下渗曲线皆较好满足霍顿下渗公式;2.下渗率比较大,主要土壤红黄壤的各种土地利用类型的稳定下渗率都在0.08 mm/s以上;3.不同土壤类型的稳定下渗率按大小排序依次为:砾石土>红黄壤>燥红土,红黄壤的各种土地利用类型的稳定下渗率按大小排序依次为:耕地>林地>灌木丛>裸地(滑坡后壁)>草地。蒋家沟流域宽级配土决定了降雨时壤中流产流占有很大比例,在径流场进行人工降雨,采集前期土壤水、壤中流和降雨样品,通过测试其中的稳定同位素浓度,利用同位素分割径流的原理,发现前期土壤水在壤中流产流中起着不可忽略的作用。降雨时,大量雨水下渗入土体,使孔隙水压力增加,前期土壤水位于湿润峰的前端,因此壤中流产流初期,前期土壤水占有很大的比例,达到86.46%,随着降雨时间的持续,雨水逐渐取代前期土壤水的作用,导致产流中本次降雨的比例逐渐升高,试验结束时达到85.63%。可以推断,短历时暴雨时,降雨强度大于下渗率,该流域以超渗产流为主,易发生坡面泥石流;长时间小强度降雨时,该流域以蓄满产流为主,壤中流占有很大比例,本次降雨是泥石流暴发的诱发因素,但不一定是水量的主要供给源。  相似文献   

5.
根据对蒋家沟泥石流源地的崩塌、滑坡、散流坡,在旱季与雨季不同时段,降雨入渗后的土壤含水状况观测,以及泉水季节性变化,详细分析了泥石流源地崩塌、滑坡、散流坡土体的应力应变特性对降雨的响应过程差异.在雨季滑坡临空面和滑坡体内的土体含水量分别为6.67%、4.8%,滑坡活动主要是通过前缘剪出口崩塌方式补给下方沟床.崩塌体由于土体结构极为松散,在雨季该土体含水量通常高达8.85%~16%,使其土体的抗剪强度(C、φ)处于极限应力状态,一旦遇到降雨浸润和冲刷,迅速触变液化,转化为高浓度泥石流的侵蚀产沙过程.  相似文献   

6.
对116条泥石流沟取样,所取土样共182个,通过室内颗分试验得到其颗粒组成特征,以此为基础引入分形理论计算各土样的分维值,并分析分维值与级配特征之间的关系。分析发现:泥石流源区砾石土以一重分形特征为主,分维值介于2.250~2.798之间,分维值大的砾石土颗粒组成较为均匀,分维值减小,砾石土中的细颗粒含量逐渐降低。基于砾石土分维值分布区间,在野外配置土样开展泥石流启动试验,综合分析试验现象、孔隙水压力及含水量变化情况得到以下结论:形成泥石流的砾石土具有临界特征,分维值小于2.4的砾石土不易形成泥石流;分维值介于2.4~2.6时,以土力类泥石流为主,泥石流重度较高且规模较大;分维值介于2.6~2.7时,以水力类泥石流为主,泥石流的重度较低,以稀性泥石流为主,并伴有明显的阵性特征。分维值及降雨条件相同时,土体变形(未启动形成泥石流)或破坏启动形成泥石流的时间与密度呈正相关关系。  相似文献   

7.
虽然汶川震区的松散砾石土历经近10年的自然固结过程,坡面植被恢复良好,但灾后持续活跃的泥石流等地质灾害告诉我们,了解这类因地震产生的砾石土的力学性状,仍然是理解灾区地质灾害肆虐的最重要的方面之一。本文以汶川县映秀镇牛圈沟泥石流源区的砾石土为研究对象,采用人工水槽模型试验与三轴测试,观察泥石流起动时砾石土的宏细观现象,分析粗细颗粒含量变化对砾石土干密度的影响,并从临界状态土力学角度,探讨了泥石流起动时砾石土的力学性状,提出砾石土临界状态数学表达式。结果表明:(1)泥石流起动时间、模式与初始干密度密切相关,其过程伴随着干密度和孔隙比的变化;(2)细颗粒迁移与粗细颗粒含量调整引起土体内部细观结构重组是干密度与孔隙比变化的主要原因;(3)相同级配的砾石土在等同围压条件下排水剪切,会近似达到一个临界孔隙比;(4)砾石土力学性状可根据其状态参数(e,p')与e_c-p'平面临界状态线的相对位置来判断;(5)砾石土边坡在降雨淋溶下失稳形成泥石流,坡体内同时存在剪胀与剪缩两种力学性状,且以剪胀为主。本文研究成果一方面能对泥石流起动机理的理论体系进行完善与补充,另一方面能为震区砾石土泥石流的防治预警预报提供初步依据。  相似文献   

8.
何毓蓉  廖超林 《山地学报》2006,24(5):I0001-I0002,F0003
长江上游地区的侵蚀、滑坡和泥石流发生普遍而严重。选择典型区对侵蚀、滑坡和泥石流土体的微形态及与之紧密相关的土性进行比较研究,有重要意义。在贡嘎山东坡、川中丘陵盐亭、三峡库区云阳、云南东川蒋家沟分别采集代表性侵蚀、滑坡和泥石流土体剖面进行了研究。主要取得下述研究结果:(1)不同侵蚀强度的研究区土体特性有所不同,但共同特征是发育浅、颗粒粗、易分散等,有利于侵蚀形成;也相应形成一些侵蚀土体的微形态特征,如粗骨颗粒聚积状微形态、细土物质微区淋蚀现象、埋藏土层微形态特征等。(2)在滑坡土体,发现一些有利于滑坡形成的土体特性和微形态特征,如骨骼颗粒细化和蚀圆化、吸水性强的指纹状微结构等。在滑塌面上形成特殊的土体微形态,如拉张微裂隙、强光性定向粘粒集合体、玻璃质形成物、铁锰分离物等。(3)泥石流土体土性特殊,并形成了一些特殊的土体微形态特征,如湖泥状基质、骨骼颗粒泥质包裹体、错断微裂隙等。结果表明:在不同的环境条件下,三类土体的土性和土体微形态也有异同。对侵蚀、滑坡和泥石流的形成机制、活动性等都有一定的诊断意义。  相似文献   

9.
陕西西安翠华山地质景观遗迹成因探析   总被引:5,自引:1,他引:4  
翠华山国家地质公园位于西安市南郊,包括水湫池、甘湫池和大坪三个景区。新的实地调查发现,甘湫池景区是一座罕见的古基岩滑坡,具有古滑坡可观察的景观形态特征,甘湫池不足堰塞湖,而是古滑坡形成的拉张洼地;水湫池堰塞坝的沉积物具有典型的“泥砾”结构,在形态特征上属于粘性重力流的碎屑流堆积;其坝体的形成与景区现有崩塌堆积无关;从空间分布和层序关系来看,景区内现有的崩塌砾石均堆积在古滑坡和泥石流堆积之上,由于各处具有不同的形态和结构特征,应具有成因的多样性和时间的多期性。  相似文献   

10.
泥石流体中含有从粘粒到砾石的各种粒径的颗粒成份,其级配之宽是任何挟沙水流、高含沙水流所不能比拟的,目前用于泥石流流变研究的各类流变仪,从理论上讲均不可用于非均质流体。但为了实用,在此以前所做的实验多为剔除>2—3毫米的样品,但由于泥石流级配中粗颗粒甚多,其流变数值与实际情况相差很大。为此,寻求能够容纳更粗颗粒的流变仪,已成为泥石流科研工作者孜孜以求之事,苏联于70年代末期曾研制成大型卧式粘度计,并应用于阿尔玛杰克河泥石流样品试验;国内西安冶金建筑  相似文献   

11.
BOOK REVIEWS     
Book Reviewed in this article: Development and Environment in Peninsular Malaysia . S. Robert Aiken, Colin H. Leigh, Thomas R. Leinbach, Michael R. Moss. The Rural-Urban Fringe: Canadian Perspectives . Ken B. Beesley and Lorne H. Russwurm, eds. Women and Development . Lourdes Benería, ed. The Border that Joins: Mexican Migrants and U.S. Responsibility . Peter G. Brown and Henry Shue, eds. Cities of the World: World Regional Urban Development . Stanley D. Brunn and Jack L. Williams, eds. Time Resources, Society, and Ecology: On the Capacity for Human Interaction in Space and Time (Vol. I, Preindustrial Societies). Tommy Carlstein. Urban Geography . David Clark. Spanish City Planning in North America . Dora P. Crouch, Daniel J. Garr, and Axel I. Mundigo. Not On Our Street: Community Attitudes to Mental Health Care . M. J. Dear and S. M. Taylor Unequal growth: Urban and Regional Employment Change in the U.K. Stephen Fothergill and Graham Gudgin. Agricultural Land in an Urban Society . Owen J. Furuseth and John T. Pierce. The Petroleum Industry in Oil-Importing Developing Countries . Fariborz Ghadar. Historical Understanding in Geography, An Idealist Approach . Leonard Guelke. Regional Planning in Europe . R. Hudson and J. R. Lewis, eds. Remote Sensing for Resource Management . Chris J. Johannsen and James L. Sanders, eds. Geography and The State . R. J. Johnston. Texas Graveyards: a Cultural Legacy . Tlrry G. Jordan. The Politics of Location: An Introduction . Andrew Kirby. A Social Geography of the City . David Ley. Energy and the Future . Douglas MacLean and Peter Brown, eds. The Natural Environment of Newfoundland Past and Present . A. G. Macpherson and J. B. Macpherson, eds. Tourism: Economic, Physical and Social Impacts . Alister Mathieson and Geoffrey Wall. Railroads and Land Grant Policy: A Study in Government Intervention . Lloyd J. Mercer. Progress in Rural Geography . Michael Pacione, ed. Progress in Urban Geography . Michael Pacione, ed. Models of Spatial Inequality: Settlement Patterns in Historical Archaeology . Robert Paynter. Natural Hazard Risk Assessment and Public Policy, Anticipating the Unexpected . William J. Petak and Arthur A. Atkisson. The Nature of Geomorphology . Alistair F. Pitty. Regional Conflict and National Policy . Kent A. Price Women and Spatial Change: Learning Resources for Social Science Courses . Arlene C. Rengert and Janice J. Monk, eds. Urban and Regional Analysis for Development Planning . Richard Rhoda. Rivers: Form and Process in Alluvial Channels . Keith Richards. This Remarkable Continent: An Atlas of United States and Canadian Society and Culture . John F. Rooney, Jr., Wilbur Zelinsky, and Dean R. Louder, gen. eds. The Origins of Open-Field Agriculture . Trevor Rowley, ed. Residential Location Determinants of the Older Population . Gundars Rudzitis. Borderland Sourcebook: A Guide to the Literature on Northern Mexico and the American Southwest . Ellwyn R. Stoddard, Richard L. Nostrand, and Jonathan P. West, eds. Arctic and Antarctic . David Sugden. Tall Timbers Ecology and Management Conference, February 22–24, 1979, Proceedings No. 16 . Graphic Communication and Design in Contemporary Cartography (Progress in Contemporary Cartography , Vol. II). D. R. Fraser Taylor, ed. Living with Energy Shortfall: A Future for American Towns and Cities . Jon Van Til. The United States: Habitation of Hope . J. Wreford Watson. Air Photo Interpretation for Archaeologists . D. R. Wilson. Urban and Rural Change in West Germany . Trevor Wild, ed. Population and Resources . Harry Robinson.  相似文献   

12.
BOOK REVIEWS     
Book Reviewed in this article: Geography and the Third World. International Seminar, 14–18 May 1980, Kuala Lumpur, Malaysia . Ishmail Ahmad and Jamaluddin Md Jahi, eds. The Growth Dilemma: Residents' Views and Local Population Change in the United States . Mark Baldassare. Sport and Place: A Geography of Sport in England, Scotland & Wales . John Bale. The Deindustrialization of America: Plant Closings, Community Abandonment, and the Dismantling of Basic Industry . Barry Bluestone and Bennett Harrison. Selected Essays 1963–1975: Carl O. Sauer . Bob Callahen, ed. Housing and Planning in the Countryside . G. Clark. Conflict, Politics and the Urban Scene . Kevin R. Cox and R. J. Johnston, eds. Thematic Maps: Their Design and Production . David J. Cuff and Mark T. Mattson. Wine: A Geographic Appreciation . Harm Jan de Blij. USSR in Maps . J. C. Dewdney. Political Geography: A Contemporary Perspective . Ramesh D. Dikshit. Rethinking Human Adaptation . Rada Dyson-Hudson and Michael A. Little, eds. Sacred Sands: The Struggle for Community in the indiana Dunes . J. Ronald Engel. Geography of the Biosphere . A. Furley and Walter W. Newey. Disaster and Reconstruction . Robert Geipel. Glasgow: The Making of a City . Andrew Gibb. Design for Arid Regions . Giden S. Golany, ed. Urbanization and Cancer Mortality: The United States Experience, 1950–1975 . Michael R. Greenberg. Geology in the Nineteenth Century: Changing Views of a Changing World . Mott T. Greene. Colonización y Destrucción de Bosques en Panamá . Stanley Heckadon Moreno and Alberto McKay, eds. Urban Geography: A First Approach . David T. Herbert and Colin J. Thomas. The Visual and Spatial Structure of Landscapes . Tadahiko Higuchi. Climate from Tree Rings . M. K. Hughes, P. M. Kelly, J. R. Pilcher, and V. C. LaMarche, Jr., eds. The structure of Nineteenth Century Cities . James H. Johnson and Colin G. Pooley, eds. The American Planner: Biographies and Recollections . Donald A. Krueckeberg, ed. Urban Land Policy For the 1980s, the Message for State and Local Government . George Lefcoe, ed. Regional Planning: Evolution, Crisis and Prospects . Gill C. Lim, ed. Relevance and Ethics In Geography . Bruce Mitchell and Dianne Draper. China: The Geography of Development and Modernization . Clifton W. Pannell and Laurence J. C. MA. The Urban Retailing System . Robert B. Potter. Hants. Nonconventional Energy Resources . Philip R. Pryde. Caribbean Migrants: Environment and Human Survival on St. Kitts and Nevis . Bonham C. Richardson. Population and Resources . Harry Robinson. East Los Angeles: History of A Barrio . Ricardo Romo. Integrated Impact Assessment . Frederick A. Rossini and Alan L. Porter, eds. Environmental Aesthetics: Essays in Interpretation . Barry Sadler and Allen Carlson, eds. Earthwatch . Charles Sheffield. Field Techniques and Research Methods in Geography . Robert H. Stoddard. Haiti: Land of Poverty . Robert J. Tata. Weathering and Erosion: Sources and Methods in Geography . Stephen T. Trudgill. Once Beneath the Forest. Prehistoric Terracing in the Río Bec Region of the Maya Lowlands . B. L. Turner, II. The Historical Geography of Scotland since 1707 . David Turnock.  相似文献   

13.

Reviews of geographic software in this article:

DEMO-GRAPHICS: WORLD POPULATIONS AND PROJECTIONS.

ESP

GAUSS.

CEMODEL S. Damus

LIMDEP. William H. Greene

MICROSTAT 4.1

OTIS

PCIPS. (Personal Computer Image Processing System). H.J. Meyers and R. Bernstein.

REGRESSION ANALYSIS OF TIME SERIES (RATS)

SPSS/PC+

URBAN DATA MANAGEMENT SOFTWARE (UDMS)  相似文献   

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16.
BOOK REVIEWS     
Book Reviewed in this article: Rabat: Urban Apartheid in Morocco . Janet Abu -Lughod . Marketplaces in a Developing Country: The Case of Western Nigeria . Isaac Ayinde Adalemo . Farming Development and Space: A World Agricultural Geography . Bernd Andreae . Section and Party: A Political Geography of American Presidential Elections, from Andrew Jackson to Ronald Reagan . J. Clark Archer and Peter J. Taylor . Women and Space: Ground Rules and Social Maps . Shirley Ardener , ed. European Progress in Spatial Analysis . R. J. Bennett , ed. The Origins of Academic Geography in the United States . Brian W. Blouet Geographic Perspectives on Global Problems . Ronald Reed Boyce . Seasonal Dimensions to Rural Poverty . Robert Chambers , Richard Longhurst and Arnold Pacey eds. The New Nationalism and the Use of Common Spaces: Issues in Marine Pollution and the Exploitation of Antarctica . Jonathan I. Charney , ed. Communications Tomorrow: The Coming of the Information Society . Edward Cornish , ed. The Design of Suburbia . Arthur Edwards . Explorer on the Northern Plains: Lieutenant Gouverneur K. Warren's Preliminary Report of Explorations in Nebraska and Dakota in the Years 1855–56–57. With an Introduction by Frank N. Schubert . The Changing Climate: Responses of the Natural Flora and Fauna . Michael J. Ford . Essentials of Physical Geography . Robert E. Gabler , Robert J. Sager , Sheila Brazier , and Daniel L. Wise. The Road to Jaramillo . William Glen . Valued Environments . John R. Gold and Jacquelin Burgess , eds. Proximity and Preference: Problems in the Multidimensional Analysis of Large Data Sets . Reginald G. Golledge and John N. Rayner , eds. A Search for Common Ground . Peter Gould and Gunnar Olsson , eds. Geography: Its History and Concepts . Arild Holt -Jensen . A Population Geography . Huw R. Jones . The Human Mosaic: A Thematic Introduction to Cultural Geography, 3rd ed. Terry G. Jordan and Lester Rowntree . Urban Social Geography: An Introduction . Paul Knox . The Anatomy of Job Loss: The How, Why and Where of Employment Decline . Doreen Massey and Richard Meegan . The Information Society as Post-Industial Society . Yoneji Masuda . Map Librarianship, 2nd ed. Harold Nichols . India: Cultural Patterns and Processes . Allen G. Noble and Ashok K. Dutt , eds. The God that Limps: Science and Technology in the Eighties . Colin Norman . Geography: An Introductory Perspective . Robert E. Norris , Keith D. Harries and John D. Vitek . The Politics of Technology Assessment . David M. O'Brien and Donald A. Marchand . Ethnic Segregation in Cities . Ceri Peach , Vaughan Robinson and Susan Smith , eds. Churches and Church Membership in the United States, 1980 . Bernard Quinn , Herman Anderson , Martin Bradley , Paul Goetting and Peggy Shriver . Energy in Australia: Politics and Economics . Hugh Saddler . Development from Above or Below? The Dialectics of Regional Planning in Developing Countries . Walter B. Stóuhr and D. R. Fraser Taylor , eds. Human Impact on the Ecosystem . Joy Tivy and Greg O'Hare . Plants and People: Vegetation Change in North America . Thomas R. Vale . The Mapmakers: The Story of the Great Pioneers in Cartography from Antiquity to the Space Age . John Noble Wilford .  相似文献   

17.
Desertification is a global phenomenon that affects about two billion people. It occurs in arid zones where the annual precipitation is below 400 mm, partic- ularly in the marginal areas of the world's largest deserts. It is a result of water and wind erosion, over- grazing, global warm-ing, improper soil cultivation, and increased pressure ot population growth, and it causes degradation of soil and natural and agricultural vegetation. The direct result is less food for people and livestock, which influences pop- ulation and animal husbandry fluctuations. Despite ef- forts to combat and reduce desertification, the affected areas are annually increasing.  相似文献   

18.
BOOK REVIEWS     
Book Reviewed in this article: The Rice Economy of Asia . Randolph Barker and Robert W. Herdt with Beth Rose. Using Microcomputers: A Guidebook for Writers, Teachers, and Researchers in the Social Sciences . Blaine A. Erie—the Lake that Survived . Noel M. Burns. Geology and Society . Donald R. Coates. Caves and Karst of Kentucky . Percy H. Dougherty, ed. Altered Harvest: Agriculture, Genetics, and the Fate of the World's Food Supply . Jack Doyle. The Middle East and North Africa, A Political Geography . Alasdair Drysdale and Gerald H. Blake. Clamor at the Gates. The New American Immigration . Nathan Glazer, ed. Development and the Landowner: An analysis of the British experience . Robin Goodchild and Richard Munton. Discovering Landscape in England and Wales . Andrew Goudie and Rita Gardner. The Modern Plantation in the Third World . Edgar Graham and Ingrid Floering. Social Relations and Spatial Structures . Derek Gregory and John Urry, eds. The World Food Problem 1950–1980 . David Grigg. Costa Rica: A Geographical Interpretation in Historical Perspective . Carolyn Hall. The Urbanization of Capital: Studies in the History and Theory of Capitalist Urbanization . David Harvey Consciousness and the Urban Experience: Studies in the History and Theory of Capitalist Urbanization . David Harvey. Reviving Main Street . Deryck Holdsworth, ed. Rural Roads and Poverty Alleviation . John Howe and Peter Richards, eds. Uneven Development in Southern Europe: Studies of Accumulation, Class, Migration and the State . Ray Hudson and Jim Lewis, eds. Karst Geomorphology . J. N. Jennings. The Geomorphology of North-west England . R. H. Johnson, ed. Climate Impact Assessment: Studies of the Interaction of Climate and Society . Robert Kates, Jesse Ausubel, Mimi Berberian, eds. Public Service Provision and Urban Development . Andrew Kirby, Paul Knox, and Steven Pinch, ed. State and Market: The Politics of the Public and the Private . Jan-Erik Lane, ed. Living Cities . Twentieth Century Fund Task Force on Urban Preservation Policies. World Climatic Systems . John G. Lockwood. Urban Ethnicity in the United States. New Immigrants and Old Minorities . Lionel Maldonaldo and Joan Moore, eds. Culture and Conservation: The Human Dimension in Environmental Planning . Jeffrey A. McNeely and David Pitt, eds. The Andean Past. Land, Societies, and Conflicts . Magnus Mörner. Gaia: An Atlas of Planet Management . Norman Myers, ed. Progress in Industrial Geography . Michael Pacione, ed. Progress in Political Geography . Michael Pacione, ed. Rivers and Landscape . Geoff Petts and Ian Foster. Urbanization and Planning in the 3rd World: Spatial Perceptions and Public Participation . Robert B. Potter. One Island, Two Nations? A Political Geographical Analysis of the National Conflict in Ireland . D. G. Pringle. Circulation in Third World Countries . R. Mansell Prothero and Murray Chapman. The Ozarks Outdoors: A Guide for Fishermen, Hunters, and Tourists . Milton D. Rafferty. Suburban Burglary: A Time and a Place for Everything . George Rengert and John Wasilchick. Geomorphology and Soils . K.S. Richards, R.R. Arnett, and S. Ellis, eds. The Homes and Homeless of Post-War Britain . Frederick Shaw. Indochinese Refugees in America . Paul J. Strand and Woodrow Jones, Jr. Wild Horses and Sacred Cows . Richard Symanski. Forever Wild: Environmental Aesthetics and the Adirondack Forest Preserve . Philip G. Terrie. The Regional Economic Impact of Technological Change . A.T. Thwaites and R.P. Oakey, eds. The Good Life . Yi-Fu Tuan.  相似文献   

19.
BOOK REVIEWS     
Books reviewed in this article: USA, Eine Geographische Landeskunde , Vol. I, Der Grossraum in Strukturellem, Wandel, 3rd Ed. Helmut Blume . Introduction to Remote Sensing . James B. Campbell . The Sounds of People and Places: Readings in the Geography of American Folk and Popular Music . George O. Carney , ED. Development and Underdevelopment . John Cole . Mobility and Employment in Urban Southeast Asia: Example from Indonesia and the Philippines . Michael A. Costello , Thomas R. Leinbach , AND Richard Ulack . Soviet Asia: Economic Development and National Policy Choices . Leslie Dienes . The Third World City . David Drakakis -Smith . Scholars' Guide to Washington, DC for Cartography and Remote Sensing Imagery (maps, charts, aerial photographs, satellite images, cartographic literature and geographic information systems). Ralph E. Ehrenberg . Population and Development in the Third World . Allan AND Anne Findlay . The Early Mapping of Hawaii . Gary L. Fitzpatrick . Energetics of Physical Environment: Energetic Approaches to Physical Geography . K. J. Gregory , ED. Wildland Recreation: Ecology and Management . William E. Hammitt and David N. Cole . Agricultural Commercialization and Government Policy in Africa . J. Hinderink AND J. J. Sterkenburg . The Dynamics of American Housing . James W. Hughes AND George Sternlieb . Thailand: Buddhist Kingdom as Modern Nation State . Charles F. Keyes . Resolving Locational Conflict . Robert W. Lake , ED. Lands at Risk in the Third World: Local-level Perspectives . Peter D. Little and Michael M. Horowitz , EDS. Nathaniel Southgate Shaler and the Culture of American Science . David N. Livingstone . Regions: The Economics and Politics of Territory . Ann R. Markusen . Wetlands . William J. Mitsch and James G. Gosselink . Historical Geography: Progress and Prospect . Michael Pacione , ED. Loess and Periglacial Phenomena . Marton P$eacsi and Hugh M. French , EDS. Regional Management of Metropolitan Floodplains, Experience in the United States and Abroad . Rutherford H. Platt , ED. Human Cartography: Mapping the World of Man . Janos Szegö . Atlas of Great Lakes Indian History . Helen H. Tanner , ED. The Botany of Mangroves . P. B. Tomlinson . Urban Spatial Traffic Patterns . Rodney Vaughan . The Night After … Climatic and Biological Consequences of a Nuclear War . Yevgeni Velikhov , ED. Industrial Geography . H. D. Watts . Dictionary of Quotations in Geography . James O. Wheeler and Francis M. Sibley . Vermont Townscape . Norman Wiliams , Jr. , Edmund K. Kellogg and Peter M. Lavigne .  相似文献   

20.

Much science-fiction literature is based upon the creation and exploration of alternative environments. Stanley G. Weinbaum's short story, “Parasite Planet,”introduces an unusual environment that may be wrong in the light of recent evidence on Venus but still stimulates the geographical imagination.  相似文献   

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