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호주
Dept of Environment, Water and Natural Resources - Depth to Watertable (soils)
Depth to watertable mapping highlights land where watertables may be sufficiently shallow on a seasonal basis to affect plant growth. It is intended to describe soil conditions for plant suitability and is not intended to be a literal map of watertable levels, which will change over time. Mapping shows the shallowest depth to watertable observed (provided it accounts for at least 30% of the map unit), while detailed proportion data are supplied for calculating respective areas of each depth to watertable class (spatial data statistics).
데이터 정보
연관 데이터
Dept of Environment, Water and Natural Resources - Physical Condition of Surface Soil
공공데이터포털
Physical condition of surface soil mapping highlights areas where plant growth may be impeded due to poor surface soil structure, predominantly due to a condition known as hard setting. Mapping shows the proportion of land with surface soils susceptible to hard setting or sealing, while detailed proportion data are supplied for calculating respective areas of each physical condition of surface soil class (spatial data statistics).
Dept of Environment, Water and Natural Resources - Physical Condition of the Soil
공공데이터포털
Physical condition of soil provides an integrated view of various physical impediments to plant growth associated with surface soils, subsoils and other limitations (e.g. waterlogging, salinity, rockiness or steepness). Mapping shows the most limiting soil physical condition (provided it occupies at least 30% of a map unit), while detailed proportion data are supplied for calculating respective areas of each physical condition of soil class (spatial data statistics).
Dept of Environment, Water and Natural Resources - Soil Salinity - Watertable induced
공공데이터포털
This assessment refers to salinity which is linked to watertables. Soluble salts in soils affect plant growth by restricting water uptake. Salinity has varying degrees of severity and distribution. Mapping shows the degree of salinity and the proportion of land affected by discrete highly saline seepage, while detailed proportion data are supplied for calculating respective areas of each watertable induced salinity class (spatial data statistics).
Dept of Environment, Water and Natural Resources - Soil Deep Drainage Potential
공공데이터포털
Deep drainage refers to the capacity of the deep subsoil and the material immediately below the soil profile to allow excess water to move downwards into deep sediments or fractured rock. Poorly structured or heavy clays are the most restrictive. Mapping shows the most limiting deep drainage potential class (provided this accounts for at least 30% of a map unit), while detailed proportion data are supplied for calculating respective areas of each deep drainage potential class (spatial data statistics).
Dept of Environment, Water and Natural Resources - Soil Waterlogging Susceptibility
공공데이터포털
Waterlogging susceptibility describes the degree and duration of impact to soils, and hence plants, arising from poor drainage. Mapping indicates the most severely waterlogged areas (provided they occupy at least 30% of a map unit), while detailed proportion data are supplied for calculating respective areas of each waterlogging susceptibility class (spatial data statistics).
Dept of Environment, Water and Natural Resources - Soil Available Waterholding Capacity
공공데이터포털
Available waterholding capacity refers to the potential volume (on a per unit area basis, expressed in mm) within the rootzone of a soil that can be filled by rainfall or irrigation, and is available to plants (i.e. not including moisture help by soil matrix suction). Assessments are based on the rootzone of wheat plants. Mapping shows the estimated average available waterholding capacity, while detailed proportion data are supplied for calculating respective areas of each available waterholding class (spatial data statistics).
Dept of Environment, Water and Natural Resources - Soil Water Repellence
공공데이터포털
Water repellence, or non-wetting, due to coating of soil particles by waxy materials from the breakdown of plant debris can result in water beading on the surface, uneven wetting and large masses of soil remaining dry. Mapping shows the proportion of land affected and degree of water repellence, while detailed proportion data are supplied for calculating respective areas of each water repellence class (spatial data statistics).
Dept of Environment, Water and Natural Resources - Soil Salinity - Non-watertable
공공데이터포털
Non-watertable salinity (or dry saline land) is where soil contains elevated levels of soluble salts that are not associated with a watertable. Mapping shows the degree of non-watertable salinity, based on the most saline part of the map unit (provided it occupies at least 30%), while detailed proportion data are supplied for calculating respective areas of each non-watertable salinity class (spatial data statistics).
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