A general soilmap of the Netherlands based on generalisation of the data obtained from the 1: 50 000 soilmap, with a concise description of the map units. (AIS).
Soilmap legends as tools of cartographic communication
Cartographic symbol ; Cartography ; Concept ; Geographical information system ; Land use ; Methodology ; Soil ; Soilmap ; Soil properties
This paper reports on one series of experiments to evaluate how varying the symbolization of soils on maps and the concomitant legend design affect the map's readility.
The A. presents the meeting and its objective: to discuss the various concepts of soil horizons and the role that soil horizons play in soil characterization, classification and mapping. This number of Catena contains selected papers of this meeting.
A procedure for the statistical characterization of the units of the Belgian soilmap, published at a scale of 1:20 000, is described and illustrated. It makes use of the information of 8 962 soil profiles described and sampled during the Belgian
variation of some properties of a given soilmap unit over different regions.
soil survey campaign and can be considered as an alternative for the use of legend class values and the selection of « reference » profiles. The procedure thereby considers horizons as basic information carriers and accounts for evidence on systematic
Soil profile analytical database for the European Union
Automated mapping ; Data base ; Europe ; Land use ; Methodology ; Soil ; Soilmap ; Soil properties
This paper describes the methodology used for compilation of a soil profile analytical database connected to the EC or EU SoilMap. This compilation commenced in 1992 following a decade of expert group meetings concerning European soil and land data.
Soil association and land suitability maps of the Western Desert, SW Egypt
Agricultural land use ; Arid area ; Desert ; Egypt ; Erg ; Irrigation ; Land use ; Oasis ; Salinity ; Satellite imagery ; Soil ; Soilmap ; Soil properties
Using geological maps and Landsat-MSS images, the investigated area was divided into 7 geomorphological units. Each of these units were subdivided in soil associations, which are presented on a soil association map at a scale 1:1 000 000
. On the basis of this soil association map of SW-Egypt, the land suitability map for irrigated agriculture (1:1 000 000) was elaborated. It shows the suitability of land for the dominant soils and for most suitable soils which occur within the soil association
. 17 maps units were established according to the framework for land evaluation of the FAO (1976).
Land assessment maps of Denmark based on the Danish Soil Classification's data bases and former trial land assessments
Agricultural land use ; Denmark ; Irrigation ; Jylland ; Land use ; Methodology ; Soil ; Soil classification ; Soilmap ; Soil properties ; Water needs
This paper describes a methodology for transformation of the Danish Soil Classification's maps to land assessment maps based on a calculation of the irrigation need on various soil types and based on the land values obtained by the work of the 1949
Land Assessment Commission. A detailed description of the 2 soil investigations used for the construction of new land assessment maps is given, and as an example the transformation of the Danish Soil Classification's map to a land assessment map
According to the composition of the superficial layer, 25 different surface types were determined in the field. These surfaces cover 8 soil units of the FAO World SoilMap Classification, which are found with different phases and in different soil
associations. On the basis of the pedological results gained by field work, a soil association map (1:500,000) of the area was prepared by 4 steps. Based on this map of Tarfawi, a land suitability map for irrigated agriculture was prepared. It shows
the suitability of land for dominant soils and for best soils which occur within soil associations.
A comparison of methods to predict soil surface texture in an alluvial basin
Arid area ; California ; Cartography ; Geostatistics ; Methodology ; Soil ; Soil properties ; United States of America
Surface soil texture controls many important ecological, hydrological, and geomorphic processes in arid regions and is therefore important from a land-management perspective. This article compares several different predictive soil-mapping techniques
with a sparse dataset in order to develop surficial soil texture maps. The results suggest that data collected at the landscape scale can be used as input to predictive soil-mapping techniques to create maps of soil texture at higher fidelity and a fraction
Sir Robert Kane's land classification maps. A mid-nineteenth century cartographic initiative
Cartography ; Historical geography ; Historical mapping ; Ireland ; Land use ; Nineteenth Century ; Soil classification ; Soilmap ; Thematic map
This paper reviews the mid-nineteenth century land valuation and soilsmaps promoted by Sir Robert Kane. Compiled by hand in colour on the printed base of Ordnance Survey county index sheets, these maps represent a pioneer initiative in the detailed
mapping of variations in land quality in Ireland, and may claim a significant place in the histories of thematic mapping and agricultural science in Ireland.
Combining soilmap and soil analysis for improved yield prediction
Exploratory study on how the farmer can decide, which of the three alternatives (soilmap, soil analysis or their combination) should be used as a basis for predicting the most appropriate agricultural land use or management. It is illustrated
Soilmap of Denmark according to the FAO-UNESCO legend
A soilmap of Denmark is presented, according to the FAO legend. 14 soil types are mapped taking advantage of existing information about the biophysical environment. These cover mapping of geology (pre-glacial sub-soil) and morphology of landscapes
(quaternary deposits) as well as mapping of landscape bodies f. inst. coastal landscapes of different age or valley landscapes of 5 different types. (Ed.).
Development of a soil geographic database from the SoilMap of the European Communities
Data ; Data base ; European Community ; Geographical information system ; Land use ; Soil ; Soilmap ; Soil properties
This paper proposes a conceptual framework for a logical database by making full use of all available documents related to the SoilMap of European Communities (EC) making process, thus reducing the loss of information due to harmonization between
EC countries and publishing constraints. In the case of the EC SoilMap, the proposed method has been applied after the map was made. Consequently the database sructure is limited by the available information and cannot fully reflect the understanding
Soilmap of Denmmark according to the revised FAO legend 1990
Cartography ; Clay mineral ; Data base ; Denmark ; Humid environment ; Podsol ; Podsolisation ; Slope gradient ; Soil ; Soil classification ; Soilmap ; Soil properties
In 1990 FAO published a revised legend to SoilMap of the World (FAO-UNESCO 1990). In order to harmonize the soilmaps of Europe, it is necessary to transform the EC soilmap using the 1985-nomenclature to the FAO revised legend of 1990. This paper
describes the construction of a Danish soil ap at scale 1:1000000 using the FAO 1990 legend.
A study of the soil landscape from a geographical perspective, this volume provides factual and conceptual background information and a description and discussion of laboratory and field methods, including mapping. The soil landscape is the focus
with detailed discussion of problems associated with soilsmaps. Numerous examples, diagrams, maps, and tables, and a glossary and index enhance the text. (DOH).
information content of the published 1:200,000 soilmap of Benin. Regional differences in the soil cover are clearly revealed. Soil provinces roughly correspond to the known geomorphologic units of Benin.
Soil materials, a layer based approach to soil description and classification
Soil horizons
Australia ; Cartography ; Concept ; Land use ; New South Wales ; Soil ; Soil classification ; Soil properties
The Soil Conservation Service of New South Wales (Australia) is mappingsoil landscapes at a scale of 1:100,000 and is using a soil layer based entity, termed soil materials, as the basic entity for soil description and classification. This paper
Belgium ; Data base ; Erodibility ; Rill wash;Runoff ; Soil ; Soil erosion ; Soil property ; Thematic mapping
The soil database for Northern Belgium was used to mapsoil erodibility characteristics in this region. Three methods are compared and evaluated. Three erodibility indices are calculated and mutual differences are outlined. Different cartographic
representations are discussed and choropleth maps of the soil characteristics are elaborated. Finally, an overview is given of several regions in Northern Belgium each having different soil erodibility characteristics.
A sampling strategy for quantitative soil survey includes two different samplings : (i) a reconnaissance sampling to characterize the variogram required to optimize the sampling scheme for (ii) the actual survey. For the actual survey a sampling
spacing of 2 km in a square grid was found to result in an acceptable maximum kriging estimation error of 5,76 %. The proposed sampling strategy would require 408 observations in total. This is 71 % less than the sampling during the National Soil Survey.