The New Zealand Fundamental Soil Layer originates from a relational join of features from two databases: the New Zealand Land Resource Inventory (NZLRI), and the National Soils Database (NSD). The NZLRI is a national polygon database of physical land resource information, including a soil unit. Soil is one in an inventory of five physical factors (including rock, slope, erosion, and vegetation) delineated by physiographic polygons at approximately 1:50,000 scale. The NSD is a point database of soil physical, chemical, and mineralogical characteristics for over 1500 soil profiles nationally. A relational join between the NZLRI dominant soil and derivative tables from the NSD was the means by which 14 important soil attributes were attached to the NZLRI polygons. Some if these attributes originate from exact matches with NSD records, while others derive from matches to similar soils or professional estimates. The layers contains the soil temperature regime attribute. The soil temperature regime classes relate to the soil temperature at 0.3 m depth. The classes used originate from and are described more fully in Webb and Wilson (1995), which in turn is based on the work of Aldridge (1982, 1984) and Aldridge and Cook (1983).

Technical Details
Layer ID 107
Data type Vector polygon
Feature count 107298
Attributes GEOMETRY, DOMSOI, MAINSOIL, SOIL, SERIES, DOMNZSC, TEMP_CLASS, TEMP_VAR, TEMP_EST
Services Vector Query API, Web Feature Service (WFS), data.govt.nz Atom Feed
History
Added 04 Jun 2010
Revisions 1 - Browse all revisions
Current revision Imported on June 4, 2010 from Shapefile in NZGD2000 / New Zealand Transverse Mercator 2000.

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