The formation of representative lateritic weathering covers in south-central Guangxi (southern China)
The mineralogy and geochemistry have been studied in three representative lateritic weathering covers close to the Tropic of Cancer (Guangxi, South China) with the purpose of studying formation and evolution processes of lateritic covers
horizon and mottled clay layer of lateritic profiles. Finally, a model for the formation and evolution of typical lateritic weathering covers in south-central Guangxi, supported by all the data, was proposed.
Analysis and expert assessment of the semantic similarity between land cover classes
An expert assessment of the similarity between the CORINE Land Cover (CLC) and the National Land Cover Dataset (NLCD) 1992 nomenclatures is presented. The results obtained show the similarity of assessments completed by four experts who marked
the degree of similarity between the compared land cover classes by 1 (almost similar classes), 0.5 (partially similar classes) and 0 (not similar classes). Four experts agreed on assigning 1 in only three cases; 0.5 was given 33 times. A single expert
Using potential natural vegetation (PNV) and satellite-based land use data, the AA. determined the possible maximum distribution extent of forest cover in the absence of human disturbance. Subsequently, topography and climate factors were selected
to reconstruct forest cover for 1780 and 1940 in Northeast China with a 10-km resolution. To validate the model, the AA. compared satellite-based forest cover data with the reconstruction for 2000. The results demonstrated that the provincial forest area could
be transformed into forest cover maps well using the model.
Use of soil profile truncation to estimate influence of accelerated erosion on soil cover transformation in young morainic landscapes, North-Eastern Poland
This paper elucidates the influence of accelerated soil erosion on soil cover in young morainic landscapes of North-Eastern Poland (Brodnica Lake District). Detailed pedological investigation were carried out within two study sites (forest
and agricultural). A comparison of fully developed forest reference soil pedons with arable soil has been made. Five classes of soil truncation have been distinguished. According to the identified degrees of truncation, maps of soil cover transformation, caused
The El Cielo biosphere reserve : forest cover changes and conservation attitudes in an important neotropical region
This article examines both forest cover changes and attitudes toward environmental conservation in the El Cielo Biosphere Reserve in northeastern Mexico. Ethnographic interviews are employed to examine the attitudes of local people toward the costs
and benefits of the biosphere reserve in their lives. This research founds that unlike many “paper parks,” large-scale deforestation has stopped and forest cover has expanded after the biosphere reserve was created. It concludes that local people value both
Effects of ecological restoration projects on land use and land cover change and its influences on territorial NPP in Xinjiang, China
This study used net primary productivity (NPP) as an important indicator of the arid and semi-arid ecosystem's productivity to estimate the impacts of the land use and land cover change (LULCC) driven by ecological restoration programs in Xinjiang
. The results demonstrated that the forest area of Xinjiang had the most net increase. The most dominant land cover changes during 2001–2009 were from grassland to forest and mutual transformation between grassland and desert. Compared to climate change, human
carried out between June 24 and September 9 of 2008. The studied sites represented : 1) Turbic Cryosol, poorly covered by vegetation and exhibiting evidences of strong cryogenic processes; 2) Hyperskeletic Cryosol covered by a community of wet moss tundra
vegetation with variable moisture which evolves under the influence of water flowing from the adjacent mountain slopes occupied by Little Auk colonies; and 3) Haplic Cryosol covered by lichen–herb–heath tundra vegetation, located on a raised marine terrace
. It is shown that : 1) Temperature of Arctic soils is connected with influence of cold thawing water; 2) Cryosols covered by wet moss tundra vegetation are the wettest and coldest; and 3) Cryosols covered by lichen-herb-heath tundra vegetation are the driest
precipitation, surface soil moisture, snow cover, snow water equivalent, leaf area index, and evapotranspiration) over the past decade. This paper also discusses the major challenges remaining in this field, and recommends the directions for further research
Data ; Risk management ; Scotland ; Snow ; Snow cover ; Snow line ; Spatial analysis ; United Kingdom
Mountain snowline is important as it is an easily observable measure of the phase state of water in the landscape. Changes in seasonal snowline elevation can indicate long-term trends in temperature or other climate variables. Snow-cover influences
local flora and fauna, and knowledge of snowline can inform management of water and associated risks. Between 1945 and 2007 voluntary observers collected a subjective record of snow cover across Great Britain called the Snow Survey of Great Britain (SSGB
Analysing the effect of land-use/cover changes at sub-catchment levels on downstream flood peaks : A semi-distributed modelling approach with sparse data
This paper aims to evaluate how varying degrees of land-use/cover (LULC) changes across sub-catchments affect a flood peak at the catchment outlet. The study site was the Konar catchment, a part of the upper Damodar Basin in eastern India. A HEC-HMS
Land use land cover dynamics as a function of changing demography and hydrology
This paper describes the spatiotemporal changes pertaining to land use land cover (LULC) and the driving forces behind these changes in Doodhganga watershed of Jhelum Basin (Kashmir). Firstly, it shows that the changes in the stream discharge
was extracted from the soil map of the world and then was used in building a soil hydrological group map. Landsat image 5/7 TM/ETM was incorporated with land cover data to generate land use and land cover (LULC) map. Slope map for Egypt was generated from a 30 m
Large wood frequency and volume were examined as a function of landscape characteristics at different spatial and temporal scales in 50 reaches of the Upper Little Tennessee River basin. Riparian cover was analyzed with geomorphic and additional
landscape variables to isolate factors that most influence wood in streams. Forested area immediately surrounding the reach was the strongest predictor of wood frequency and volume, although upstream riparian cover can explain additional variation in wood
The Bakony Mountains (part of the Transdanubian Middle Mountains) is mainly built of limestone and dolomite. The summits and basins were covered by thin loess layers during the Pleistocene, hence most part of the range is loess covered or partly
isohione, determined through remote sensing, helps to increase the accuracy of the calculations of such spatial distribution in Czechia. As a consequence of this practical use, changes in the accumulation and distribution of snow cover can be readily
In this study, riparian groundwater nutrient concentrations were evaluated near an incised stream under 4 perennial land cover types common to southern Iowa with the objectives to assess how groundwater quality differed by 1) distance away from
an incised stream and 2) perennial land cover type. Results indicate that channel incision lowers water tables in the near-stream zone and maintains more aerobic conditions but did not result in enhanced nitrogen mineralization or leaching to groundwater
study area and 10×10 km grid cells, respectively), how landscape-scale forest-topography relationships vary geographically, and which potential drivers (topographic heterogeneity, forest cover, clay content, coastal/inland location) determine
this geographic heterogeneity. It is shown that explanatory power of topography at landscape scale was moderately dependent on the potential drivers, with topographic control being strongest in areas with high topographic heterogeneity and little forest cover
This paper proposes observations at the subregional level, based on micro-data sets that impose the conceptualization of spatial interactions in a continuous and multidirectional space. The methodology is applied to 9,839 establishments covering all
regions. The major conclusion is that policy must pursue a combination of the comparative advantage principle with one type of dynamic externalities un-covered in this paper: the “related variety benefits” of agglomeration.