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WST - Tammin Hydrology Model

A cache by WheatbeltScience Send Message to Owner Message this owner
Hidden : 07/05/2017
Difficulty:
2 out of 5
Terrain:
1.5 out of 5

Size: Size: micro (micro)

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Geocache Description:


Tammin Hydrology Model (Kadjininy Kep)

Over 1 million hectares of agricultural land in the south-west of Western Australia has been severely impacted by dryland salinity. It threatens a further 2.8 to 4.5 million hectares of highly productive soils across the south-west of WA. Lost agricultural production due to dryland salinity costs over $344 million each year.

Most salt has come from the ocean, transported into the Wheatbelt by wind and rain over thousands and thousands of years, then accumulating in the soil. Without a water table, most salt remains within the soil.  Widespread clearing of original vegetation has reduced plant water use and caused water to build up in the ground, raising the water table.  As the water table rises, it dissolves the soil salts bringing this stored salt to the surface.

Kadjininy Kep, or the Tammin Hydrology Model, is a working model depicting a typical Wheatbelt landscape with farmland being lost to dryland salinity. It also serves as a performance space and picnic area with shade and BBQs.  

This site is part of the Wheatbelt Science Trail and GeoTrail, you can find more information or other sites of interest across the region on the map.

 

The Cache

The cache is a bison tube held in place with a magnet

 

 

 

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39 Logged Visits

Found it 33     Didn't find it 5     Publish Listing 1     

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Coordinates are in the WGS84 datum

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