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  • Pollen assemblages of cultivated vegetation in central and southern Hebei Province
  • China ; Cultivated land ; Deforestation ; Grassland ; Hebei ; Human impact ; Mountain ; Palaeo-environment ; Palynology ; Plain ; Pollen analysis ; Pollen diagram ; Scrub
  • Based on surface pollen analysis and vegetation investigations from mountain and plain areas, this study shows the pollen assemblages from artifical vegetations and human disturbed vegetations in central and southern Hebei Province, China, and tries
  • to find the pollen types and pollen assemblages which can provide indications to the human activities, in order to give modern process evidences for studying the characteristics of regional vegetation and extracting human activity information in fossil
  • pollen data.
  • 2011
  • Coastal plain ; Holocene ; Isotope analysis ; KwaZulu-Natal ; Lacustrine sediment ; Lake ; Palaeo-ecology ; Palaeogeography ; Palynology ; Pollen analysis ; South Africa ; Vegetation dynamics
  • . Sedimentation rates are higher in the dated Sibaya core than the Kosi core. The pollen assemblages reflect changes from greater forest abundances to great savanna grassland abundances. The relative proportion of carbon in the samples decreases during the same
  • 2011
  • Czech Republic ; Geochronology ; Holocene ; Lateglacial ; Mountain ; Nivation hollow ; Periglacial features ; Pollen diagram ; Pronival rampart ; Snow ; Spatial distribution
  • only at two sites in the study area, were determined using several methods (Schmidt hammer, lichenometry, pollen analysis, and radiocarbon dating). The appearance of these pronival ramparts differs between the two sites as a result of the different
  • and morphology of snowpatch hollows were examined using statistical analysis of field-measured and DEM-modelled snowpatch hollow characteristics. Snowpatch hollows were classified into two groups. The age and degree of activity of pronival ramparts, occurring
  • 2011
  • Alluvial cone ; C 14 dating ; Erosion budget ; Floodplain ; Forest ; Germany ; Land use ; Palatinate ; Pollen analysis ; Soil erosion ; Stratigraphy ; Watershed
  • of the sediments. From radiocarbon dating of in situ organic material and the stratigraphic position of peats, two periods of different intensity of soil erosion could be distinguished for the whole catchment. Two pollen profiles are discussed in relation
  • 2011
  • Carbon ; Charcoal ; Holocene ; Isotope analysis ; Kansas ; Oklahoma ; Palaeo-environment ; Palaeosol ; Pastureland ; Phytolith ; Quaternary ; United States of America
  • the combined records of, opal phytolith assemblages, burnt grass phytoliths, micro-charcoal density, and Sporormiella spores in order to reconstruct paleovegetation, paleofires, and paleograzing conditions. Also, stable carbon isotope analysis of soil
  • and sediment organic matter was included. These regional results yield information on vegetation change, fire history, and herbivore impacts, which is sorely needed given the paucity of regional pollen records.
  • 2011
  • Auvergne ; Biostratigraphy ; Coprolite ; France ; Haute-Loire ; Palaeo-environment ; Palynology ; Pleistocene ; Pollen analysis ; Villafranchian
  • 2011
  • . Because some plant species emit biogenic volatile organic compounds (BVOCs), planting of some cultivars increase ozone and particulate matter ambient concentration and hence deteriorate air quality. Moreover, pollen grains and fungal spores from plants
  • forestry and the ambient atmosphere. To maximize the beneficial environmental effects of urban forestry, careful design, planning, and cost-benefit analysis would be required.
  • 2011
  • Determinants of variation in population-employment interaction findings : a quasi-experimental meta-analysis
  • Using data for the northern Netherlands (1988-2002), the article investigates the ambiguity in results in the population-employment interaction literature. The analysis deals with the issue whether jobs follow people or people follow jobs. Some
  • advantages of using quasi-experimental meta-analysis are identified as compared with the standard approach.
  • 2011
  • Business cycle, industrial composition, or regional advantage ? A decomposition analysis of new firm formation in the United States
  • Analyse régionale ; Création d'entreprise ; Disparités régionales ; Entreprise ; Etats-Unis ; Recherche-développement ; Shift-share analysis
  • Firm ; Firm creation ; Regional analysis ; Regional disparities ; Research and development ; Shift-share analysis ; United States of America
  • 2011
  • Cluster analysis ; Erodibility ; Factor analysis ; Iran ; Land use ; Multivariate analysis ; Principal components analysis ; Soil erosion ; Soil properties ; Watershed
  • The AA. use geological mapping and cluster, principal component, and factor analysis to group soils in the Taleghan Drainage Basin in Iran and subsequently determine their erodibility. Physical and chemical properties that might impact soil
  • erodibility were used to create a matrix of soil properties and parent material. Application of cluster analysis and factor analysis to the data allowed identification of 3 geological (parent material) clusters. To investigate the mutual effect of land use
  • 2011
  • Statistical analysis of temperature extremes in long-time series from Uppsala
  • Climatic trend ; Statistical analysis ; Sweden ; Temperature ; Time series
  • 2011
  • Matrix analysis ; Multivariate analysis ; Regression analysis ; Simulation ; Spatial analysis ; Spatial system
  • 2011
  • Specialization and employment development in Germany : an analysis at the regional level
  • Allemagne ; Branche industrielle ; Création d'emploi ; Différenciation spatiale ; Economie régionale ; Emploi ; Industrie ; Marché du travail ; Modèle économétrique ; Shift-share analysis ; Spécialisation
  • Econometric model ; Employment ; Germany ; Industrial branch ; Industry ; Job creation ; Labour market ; Regional economy ; Shift-share analysis ; Spatial differentiation ; Specialization
  • 2011
  • Matrix analysis ; Regression analysis ; Simulation ; Spatial analysis ; Spatial autocorrelation ; Statistics
  • and also the inefficiency of this index in some situations. New statistics and procedures are proposed for testing spatial autocorrelation, and a simulation study is conducted. The real data set concerns the analysis of mosquito counts in the urban area
  • 2011
  • Landmark ; Matrix analysis ; Methodology ; Regression analysis ; Weighted
  • 2011
  • Error ; Model ; Regression analysis ; Spatial analysis ; Spatial dependence ; Spillover ; Statistics
  • 2011
  • Geochemical Landscape Analysis: Development and Application to the Risk Assessment of Acid Mine Drainage. A Case Study in Central Sweden
  • the complexity of pollution emissions and impacted landscapes. The objective of this paper is to link geochemical contaminant fate modelling and landscape analysis for the risk assessment of acid mine drainage along the source-pathway-receptor chain. A simple
  • geochemical landscape analysis tool is developed using landscape ecology spatial analysis and geochemical modelling methods. A case study is presented for the analysis of geochemical landscapes in central Sweden. Results show that the method can be used
  • 2011
  • Morphometric analysis of the drainage system and its hydrological implications in the rain shadow regions, Kerala, India
  • Climatic variability ; Cluster analysis ; Drainage network ; Geomorphometry ; India ; Kerala ; Mountain ; Orographic effect ; Water management ; Watershed
  • The Pambar River Basin (PRB) lies on the rain shadow region of the southern Western Ghats, India, where climate showed marked intra-basin variation. A morphometric analysis was done to evaluate the drainage characteristics of PRB using topographical
  • distinctively different classes were identified based on the morphometric similarities. The significance of morphometric analysis on the hydrological characterization is discussed and the relevance of the present study in water harvesting has been explicated.
  • 2011
  • Algorithm ; Concept ; Hydrology ; Land atmosphere interaction ; Methodology ; Model ; Quantitative analysis ; Uncertainty
  • This paper systematically reviewed the recent advances in the study of the uncertainty analysis approaches in the large-scale complex hydrological model on the basis of uncertainty sources (input data and parameters, model structure, analysis method
  • and the initial and boundary conditions). Also, the shortcomings and insufficiencies in the uncertainty analysis for complex hydrological models are pointed out. And then a new uncertainty quantification platform PSUADE and its uncertainty quantification methods
  • were introduced, which will be a powerful tool and platform for uncertainty analysis of large-scale complex hydrological models. Finally, some future perspectives on uncertainty quantification are put forward.
  • 2011
  • Reanalysis and extension of Namias's climatological isentropic analysis : detection and evaluation of monsoonal, severe storm, drought, and flood events
  • Climatology ; Drought ; Exceptional event ; Flood ; Forecast ; Isentropic analysis ; Methodology ; Monsoon ; Season ; Storm ; United States of America ; Weather forecast ; Wyoming
  • inverted wave” over the Great Plains that corresponds to severe storm and tornadic activity. They also verify isentropic analysis in the detection of drought using modern drought indexes. Fundamentally, they demonstrate that Namias's climatological
  • isentropic analysis is still notably applicable to climate forecasting concerns. In a larger perspective, they demonstrate the usefulness of reexamining past research in the context of new data and methods.
  • 2011