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  • Climatic change ; Discriminant analysis ; Ecotone ; Forest ; Holocene ; Interpolation ; Michigan ; Palaeo-ecology ; Palaeo-environment ; Pollen analysis ; Space time ; Spatial analysis ; United States of America ; Vegetation dynamics
  • Pollen data for 9 lakes in the Lower Peninsula of Michigan were analyzed with discriminant analysis and spatially interpolated with inverse distance weighted to track ecotone movements of the forest tension zone. The forest tension zone has been
  • 2012
  • Climate change and human impact in central Spain during Roman times : High-resolution multi-proxy analysis of a tufa lake record (Somolinos, 1280 m asl)
  • Central Spain ; Charcoal ; Climatic variability ; Diatom ; Lacustrine sediment ; Land use ; Palaeo-environment ; Pollen analysis ; Roman era ; Sedimentology ; Society-environment relationship ; Spain
  • and historical data. The Somolinos sequence extends from the 9th century cal BC (Pre-Roman) to the 8th century AD (Early Medieval). The analyses include pollen, non-pollen palynomorphs (NPPs), macrocharcoal, ostracods, diatoms, other biotic remains
  • 2012
  • Agricultural land use ; Charcoal ; China ; Deforestation ; Holocene ; Huang He ; Human impact ; Land use ; Neolithic ; Palaeo-environment ; Pollen analysis ; Watershed
  • In this study, the distribution pattern of the cultivated land in late Yangshao culture is reconstructed using GIS tool and site domain analysis (SDA). The results show that the cultivated land during 5.5–5.0 ka BP was mainly distributed
  • burnt forests for reclamation, leading to the decrease of arbor pollen at 5 ka BP in core areas of the Yangshao culture. The areas that were significantly affected by human activities accounted for 3.2% of the Yangshao culture influenced area, while
  • 2012
  • Belgium ; C 14 dating ; Geochronology ; Grain size distribution ; Kempenland ; Optically stimulated luminescence ; Pedogenesis ; Pedohydrology ; Podsolisation ; Pollen analysis ; Sand ; Soil properties ; Soil water
  • deep profile. Age control of soil horizons and vegetation history were obtained from optically stimulated luminescence (OSL) dating, radiocarbon (14C) dating, pollen analysis and historical archives. The results suggest a strong relationship between
  • 2012
  • Australia ; C 14 dating ; Flood ; Geochronology ; Palaeo-environment ; Palaeofloods ; Palynology ; Pollen analysis ; Sediment transport ; Sedimentology ; South Australia ; Spring ; Woody debris
  • Clastic spring sediments at Mount McKinlay Spring in the Gammon Ranges of northeast South Australia were dated by 14C analysis. Five samples of pollen grains taken from sediments interpreted on geomorphic grounds as post-dating European contact (AD
  • 2012
  • Brazil ; Fresh water ; Holocene ; Humid environment ; Island ; Isotope analysis ; Lacustrine sediment ; Lake ; Palaeo-environment ; Palynology ; Pará ; Phytoplankton ; Pollen diagram ; Sea level ; Sea water
  • . The integration of data on sedimentary structures, pollen, carbon and nitrogen isotope records, C/N ratios and radiocarbon ages allowed the identification of changes in vegetation and the sources of organic matter accumulated in the lake during the Holocene
  • 2012
  • Charcoal ; Climatic change ; Climatic warming ; Colorado ; Environmental change ; Fire ; Holocene ; Lacustrine sediment ; Magnetic susceptibility ; Mountain ; Palaeo-environment ; Pollen analysis ; Rocky Mountains ; United States of America
  • Data from a lake sediment core was used to reconstruct changes in vegetation and fire frequencies over the last 7000 cal yr : Bear Lake is a high-elevation lake surrounded by subalpine vegetation in Rocky Mountain National Park, Colorado. The pollen
  • 2012
  • C 14 dating ; Drilling ; European part of Russia ; Palaeo-environment ; Palaeohydrology ; Peat bog ; Pollen analysis ; Sedimentation ; Stream
  • 2012
  • Asian part of Russia ; C 14 dating ; Chukotka ; Elgygytgyn Lake ; Holocene ; Palaeo-environment ; Palynology ; Permafrost ; Pollen analysis ; Sampling ; Upper Pleistocene ; Vegetation ; Vegetation dynamics
  • 2012
  • Analyse spatiale ; Calcul matriciel ; Chômage ; Développement industriel ; Economie urbaine ; Econométrie ; Shift-share analysis ; Structure industrielle ; Taibei ; Taïwan
  • Econometry ; Industrial development ; Industrial structure ; Matrix analysis ; Shift-share analysis ; Spatial analysis ; Taipei ; Taiwan ; Unemployment ; Urban economy
  • The paper applies shift-share analysis to additionally consider both frictional and structural unemployment, which is composed of sectoral shifts and geographic mismatches.
  • 2012
  • Anatolia ; Cluster analysis ; Dammed lake ; Discriminant analysis ; Hydrochemistry ; Monitoring ; Multivariate analysis ; Principal components analysis ; Space time ; Turkey ; Water ; Water pollution ; Water quality ; Water resources ; Watershed
  • Multivariate statistical techniques, such as cluster analysis (CA), principal component analysis (PCA), factor analysis (FA) and discriminant analysis (DA), were applied to evaluate the temporal/spatial variations of water quality data sets
  • data sets, apportionment of pollution sources/factors and the design of a monitoring network for the effective management of water resources. Discriminant analysis showed better results for data reduction and pattern recognition during both spatial
  • and temporal analysis.
  • 2012
  • Morphological analysis of the Slovenian coast with data from LIDAR and SONAR ranging
  • Abrasion platform ; Adriatic Sea ; Cliff ; Coastal environment ; Data analysis ; Geomorphology ; LiDAR ; Remote sensing ; Slovenia ; Spatial analysis
  • analysis, slope and exposure analysis, and classification of land and sea interaction. Special attention was devoted to cliffs, abrasion platforms and underwater stone platforms. Analyses gave a new vision of the coastal zone and revealed new features
  • 2012
  • Exploratory analysis of polygons distributed with overlap
  • Market area ; Methodology ; Spatial analysis ; Topology
  • To assist the exploratory analysis of polygons, the article proposes a new method of analyzing the relations among polygons. The method permits to understand the entire structure of the relations among polygons and to detect local spatial patterns
  • 2012
  • Bibliographic analysis ; Czech Republic ; Data base ; Geographical periodical ; Geography ; Information
  • The analysis focuses on two journals : Geografie and Moravian Geographical Reports. The analysis demonstrates that the scope of both journals is only regional, due to their relatively restricted range of authors and citations. Despite their status
  • 2012
  • Innovation ; Knowledge ; Knowledge transfer ; Production fonction ; Region ; Regional analysis ; Regression analysis ; Spillover
  • The paper presents a meta-regression analysis of the empirical studies exploring the relationship between academic knowledge spillovers and regional innovation. The results of the literature are found to depend on country effects, the level
  • 2012
  • Mapping the housing types from LIDAR data for micro-scale spatial analysis : a case of Tsukuba City
  • Honshu ; Housing ; Japan ; LiDAR ; Remote sensing ; Spatial analysis ; Spatial distribution ; Thematic mapping ; Typology ; Urban settlement
  • in miro-scale analysis, and public facility management where detailed census data is not available.
  • 2012
  • Spatial analysis and districting of the livestock and poultry breeding in China
  • China ; Classification ; Cluster analysis ; Gravity model ; Livestock ; Livestock farming ; Poultry ; Spatial analysis ; Spatial autocorrelation ; Statistical data ; Thematic map
  • standardized pig index (ESP), per cultivated land pig index (PCLP) and per capita pig index (PCP). With the help of spatial data analysis (ESDA) tools in Geoda and ArcGIS software, especially the Moran’s I and LISA statistics, the nationwide global and local
  • 2012
  • Atmospheric circulation ; Drought ; Moisture ; Precipitation ; Regional analysis ; Scotland ; Seasonal variability ; Temperature ; Temperature gradient ; United Kingdom ; atmospheric circulation ; autumn ; cluster analysis ; principal component
  • analysis ; rainfall ; winter
  • This paper analyses the main geographic patterns of rainfall variability over Central and Southern Scotland at the daily timescale during the autumn and extended winter (SONDJFM) period. Principal component analysis (PCA) is used to identify
  • ) and so reduces the average rainfall gradient between the west (wetter) and the east (drier). All eight significant PCs are explained in terms of the atmospheric circulation and the geography of Scotland. Cluster analysis is then used to identify coherent
  • 2012
  • A regional analysis of the effects of largest events on soil erosion
  • Cultivated land ; Eastern United States ; Extreme event ; Precipitation ; Regional analysis ; Soil erosion ; Spatial analysis ; Time series ; United States of America
  • and the percentage contribution to total soil erosion by the few largest events (regardless of their magnitude) is negatively related to the total number of daily soil erosion events recorded. The AA. present here a geographical analysis of the effects of largest
  • 2012
  • China ; Cluster analysis ; Factor analysis ; Heavy metals ; Shaanxi ; Soil ; Soil pollution ; Urban area ; XRF scanning ; Xian
  • The concentrations of Co, Cr, Cu, Mn, Ni, Pb, Zn, and V in urban topsoil samples collected from inside the Xi'an Second Ringroad, northwestern China were measured by X-ray fluorescence spectroscopy. Correlation coefficient analysis, factor analysis
  • and cluster analysis were used to analyze the data and to identify the possible sources of these heavy metals. Three main sources of these heavy metals were identified. Pb and Cu originate from traffic. Co, Cr, and Zn mainly derive from industry sources
  • 2012