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We also provided an uncertainty map of SOC distribution for 0–100 cm depth using the QRF method. Using the difference between upper and lower quantiles, this method provided 80% prediction intervals of SOC estimates. The uncertainty map is useful to access the potential variation of a certain ...
Human activities increasingly change the earth’s landscape. It was estimated that nearly a third of global land area were affected by land use change in sixty years17. Rapid urbanization often involves changes in land use types, including deforestation, arable farming, and conversion of natural ha...
In general, soil types with small areas may merge into their neighboring soil types when the soil map changes from fine to coarse scales (Hennings, 2002, Häring et al., 2012, Pachepsky and Hill, 2017). Such a ‘scaling effect’ causes biases in the area and attribute of different ...
They can take the form of comments, views or opinions on topics, discussions on material published previously in SBB, or summaries of the state-of-the-art in an allied area. They are intended to provide a bridge between letters to the editor, research papers and full scientific reviews. ...
This study calculated soil erosion amount using GIS-based soil erosion model in Imha basin and examined soil erosion source area using SPOT 5 High-resolution satellite image and land cover map. As a result of analysis, dry field showed high-density soil erosion area and we could easily ...
It retains all of my field notes, photos and provides directions to fields I have mapped. I like that fields or crop types are color coded, it’s easy to map fields, and it’s all organized in a manner that suits my needs. I like the feature that I can look at an overall map ...
regional SOM prediction based on time series MOD09A1 images; (2) assess the predictive ability of SOM prediction models by using single soil type data; and (3) map the spatial distribution patterns of SOM content in the two typical cultivated lands and the study area of the northern Songnen...
Co-kriging produced the most accurate SM map of the study area. Keywords: land unit area (LUA) map; geospatial database; spatial variability; GIS; geostatistic; soil moisture mapping 1. Introduction Soil moisture (SM) has a significant impact on environmental processes and water resource ...
mySoil4+ British Geological Survey 专为iPad 设计 4.7 • 3 个评分 免费 截屏 iPad iPhone 简介 View a map of the soil in your local area, retrieve descriptions of the soil depth, texture, pH, soil temperature, organic matter content and dominant habitats across the UK. ...