Results 11 to 20 of about 239,117 (240)

Temporal-spatial Distribution Characteristics of Air Pollutants in Chengdu Economic Region, China [PDF]

open access: yesE3S Web of Conferences, 2019
The previous characteristics researches of air pollution were almost based on data from national environmental monitoring stations in 2015. The temporal variation curves of air pollutants and the ArcGIS grid interpolation method were used to analyze the ...
Tong Hongjin   +6 more
doaj   +2 more sources

The spatial and temporal differentiation characteristics of cultural heritage in the Yellow River Basin.

open access: yesPLoS ONE, 2022
Understanding the temporal and spatial distribution characteristics of the cultural heritage of the Yellow River Basin can effectively improve the scientific understanding of the historical changes, environmental evolution, and cultural and economic ...
Wei Li   +3 more
doaj   +2 more sources

RESERCH ON SPATIAL AND TEMPORAL DISTRIBUTION OF COLOR STEEL BUILDING BASED ON MULTI-SOURCE HIGH-RESOLUTION SATELLITE IMAGERY [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
As representative vulnerable regions of the city, dense distribution areas of temporary color steel building are a major target for control of fire risks, illegal buildings, environmental supervision, urbanization quality and enhancement for city’s image.
S. W. Yang   +5 more
doaj   +2 more sources

Spatio-temporal modelling of crop co-existence in European agricultural landscapes [PDF]

open access: yes, 2007
The environmental risk of growing genetically modified (GM) crops and particularly the spreading of GM genes to related non-GM crops is currently a concern in European agriculture.
Castellazzi, M. S.
core   +7 more sources

Spatial and temporal variability of rainfall erosivity factor for Switzerland [PDF]

open access: yes, 2011
Rainfall erosivity, considering rainfall amount and intensity, is an important parameter for soil erosion risk assessment under future land use and climate change.
Steel, A.   +14 more
core   +2 more sources

On the spatio-temporal analysis of hydrological droughts from global hydrological models [PDF]

open access: yes, 2011
The recent concerns for world-wide extreme events related to climate change have motivated the development of large scale models that simulate the global water cycle.
G. A. Corzo Perez   +9 more
core   +2 more sources

Spatio-temporal malaria transmission patterns in Navrongo demographic surveillance site, northern Ghana [PDF]

open access: yes, 2013
The relationship between entomological measures of malaria transmission intensity and mortality remains uncertain. This is partly because transmission is heterogeneous even within small geographical areas.
Asoala, Victor   +17 more
core   +1 more source

Spatial and temporal scales of the morphodynamic evolution within the Studland complex. [PDF]

open access: yes
This research has analysed the large sandy beach at Studland Peninsula over a range of spatial and temporal scales, recording a range of geomorphic features and the processes by which they evolve.
Cook, Rebecca
core   +9 more sources

Analysis on Spatiotemporal Distribution Characteristics of Rainfall Erosivity in Baiyangdian Basin Based on GIS

open access: yesShuitu baochi yanjiu, 2023
To analyze the temporal and spatial distribution characteristics of rainfall erosivity in Baiyangdian Basin. Using the daily rainfall data of 64 meteorological stations in and around Baiyangdian Basin from 2003 to 2018, the study is carried out by using ...
WANG Jiahuan   +4 more
doaj  

Spatial analysis of BSE cases in the Netherlands [PDF]

open access: yes, 2008
Background In many of the European countries affected by Bovine Spongiform Encephalopathy (BSE), case clustering patterns have been observed. Most of these patterns have been interpreted in terms of heterogeneities in exposure of cattle to the BSE agent.
Thomas J Hagenaars   +8 more
core   +1 more source

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