共查询到20条相似文献，搜索用时 718 毫秒
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I. Yu. Savin 《Geography and Natural Resources》2014,35(3):284-292
The specific character of soil cover in the territory of the Democratic People’s Republic of Korea (DPRK) is revealed, and the soil interpretation schemes in the key areas are compiled. It is established that the main soil resource for agriculture within the region’s low and middle mountains is provided by areas of weakly developed brown forest soils in the lower parts of slopes as well as by alluvial soils along the valleys of large and medium-sized rivers. Specifically, brown forest soils of slopes are used largely in dry farming and forestry, while soils along river valleys are utilized in rice cultivation. Soils of terraced slopes and rice fields have been transformed anthropogenically to the greatest extent. 相似文献
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An important claim for the categorisation and study of shrinking cities is that the experience of governance across these cities may offer an alternative to hegemonic discourses of growth. However, there are methodological problems associated with categorizing then researching shrinking cities. Two key problems are: first, the category hides a multiplicity of cause and effect and; second, the danger of fetishizing the city against the reality of broader urban drivers of change. It is argued that the use of governance narratives is a means to addresses this, as narratives focus us on cities as places of practice. We apply the approach to Leipzig, once shrinking but now one of Germany’s fastest growing cities. We conclude that while there was a significant attempt to articulate an alternative to growth, it remained dominant suggesting the need to develop a taxonomy of shrinking cities where not all offer an alternative vision of “development”. 相似文献
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Brooks Green 《The Professional geographer》2013,65(4):571-573
Two qualitative case studies, one focusing on K-12 teachers and the other on middle school students, explore key factors associated with using Geographic Information Systems in the classroom. In both studies, access to appropriate hardware is a critical barrier. Time is another critical barrier—time to learn the GIS software and time in the curriculum to incorporate GIS as a learning experience. In both case studies, learning the technology at the expense of learning spatial analysis was a danger, suggesting the need for conscious focus on the goal of using GIS to learn how to “do geography.” 相似文献
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《地理学报(英文版)》2004,(Z1)
Physical Geography: Chair: Prof. LI Xiubin, Inst. of Geographic Sciences and Natural Resources Research, CAS,11A, Datun Rd., Beijing 100101, China; e-mail: lixb@igsnrr.ac.cnClimatology: Chair: Prof. GE Quansheng, Inst. of Geographic Sciences and Natural Resources Research, CAS,11A, Datun Rd., Beijing 100101, China; e-mail: geqs@igsnrr.ac.cnHydrography: Chair: Prof. ZHOU Chenghu, Inst. of Geographic Sciences and Natural Resources Research, CAS,11A, Datun Rd., Beijing 1… 相似文献
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《地理学报(英文版)》1999,(4)
TherehavebeenseveraldozensofyearssincethedevelopmentandstUdyofthemetropolitanareasindevelopedcountries.Atpresent,somemetropolisesaresteppingintothestageofmetropolitandevelopmentinChina.Thegeneraltrendisunavoidablethatbuilt-upareaexpandsandrurallandturnsintourbanones.Butunderthedriveofgoingmerelyaftereconomicbenefit,man}.'collectivesandindividualsillegallyoccupycultivatedlandandgreenbelts,whichintensifiesurbanenvironmentalpollution,wasteslandresourceandmakesthebuilt-upareaexpanduncontrollabl}'… 相似文献
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Pablo S. Bose 《The Professional geographer》2013,65(1):145-146
Contemporary cartographic research on mapmaking and map use has a broad mandate and, as a consequence, researchers need a broad suite of methods. Consistent with research developments in other geographic subdisciplines, cartographic researchers now use qualitative methods. They offer the advantage of bringing research closer to the problem-solving realms of mapmakers and map users. Our purpose here is to discuss an array of qualitative methods for mapmaking and map use. Questionnaires, interviews, and protocol methods are used to gather verbal data about mapmaking and map use. Ethnographies produce data from direct observation of mapmakers and users. Maps also are sources for document analysis. We use examples of published cartographic research to elaborate on each of these methods. 相似文献
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The present study aims the evaluation of bio-physical characteristics towards soil-water-vegetation stress and a rule is envisaged to assess the degree of temporal changes. The digital rule for assessment is initialized through the index of land Instability (ILI) where the variance indicates the temporal instability of the pixel i.e., smallest land unit. It is assumed that the biophysical characteristic of land is in command of land-dynamics where there is no change in Land Use/Land Cover (LU&;LC). The intensity map on tendency of albedo (IALB) assesses the intensity of soil erosion and water stress whereas intensity map on tendency of NDVI (INDVI) appraises the stress on vegetation. The carry-out study covers a part of semiarid Western India. Primarily remote sensing technique, which carries the digital information of land temporally and spatially, is adopted in this paper. A part of the study area is represented using two sets of IRS 1A/1B LISS-I data of March with a decadal time domain (1989–1998) as a test area. It is assumed that the soil-water-vegetation stress is maximum during summer (March–April–May) in any tropical belt and decadal data will stretch the possibility of climate as well as man-made activity over the land. 相似文献