نتایج جستجو برای: digital soil mapping

تعداد نتایج: 672171  

Journal: Desert 2016
A. Gandomkar M. Bagheri Bodaghabadi S. Amini

      There are various methods and models for land evaluation. These methods are classified according to the number of used resources. The best resources capabilities or potentials and land use can be found by analyzing one of the main resources, in the lands close relations to ecologic resources exist. Soil has a great potential for introducing the studied region specifications. Hence, it cha...

2016
Eugenia Pérez Pilar García Yanbo Huang

This study analyzes soil sealing and its repercussions in the loss of fertile soils, which are more appropriate for agriculture use. Also, soil sealing increases flood risk. The main objective is to estimate soil loss by sealing in the Guadarrama River Basin (Madrid, Spain) between 1961 and 2011. The combination of digital processing (Normalized Difference Vegetation Index (NDVI), principal com...

Ehsan Alvandi Esmaeil Silakhori Mahtab Forootan

Liquefaction is one of the most determinant factors in the collapse of transportation infrastructures. This is especially true for roads and railroads located on saturated, fine-sand substrates under seismic conditions. The damage and human casualties resulting from liquefaction highlight the importance of understanding and mapping this phenomenon. Soil liquefaction occurs as a natural hazard i...

2015
José A. M. Demattê Victor Wilson Botteon

New tools for soil mapping are needed to increase speed and accuracy of pedological mapping processes. This study integrated various technologies to map soils of the Piracicaba region in São Paulo State, Brazil. Each technology was expected to provide different information to design a detailed map. We carried out field survey and soil sampling for laboratory analysis. Initially, we conducted fi...

Journal: :Revista Brasileira de Ciência do Solo 2012

Journal: :ISPRS international journal of geo-information 2022

Digital soil mapping has emerged as a new method to describe the spatial distribution of soils economically and efficiently. In this study, lightweight organic matter (SOM) based on deep residual network, which we call LSM-ResNet, is proposed make accurate predictions with background covariates. ResNet not only integrates information around observed environmental covariates, but also reduces pr...

Journal: :Frontiers in soil science 2023

EDITORIAL article Front. Soil Sci., 06 June 2023Sec. Pedometrics Volume 3 - 2023 | https://doi.org/10.3389/fsoil.2023.1225672

Journal: :آب و خاک 0
راضیه دائم پناه غلامحسین حق نیا امین علیزاده علیرضا کریمی کارویه

abstract in the recent decades, application of geostatistic and remote sensing for mapping salinity and sodicity of surface soil and monitoring it's changes have been developed. the goal of this research was to compare the capability of geostatistic and remote sensing methods for mapping salinity-sodicity of soils in playa from sourthern mah valat county, in the khorasan razavi province. 88 sam...

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