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Critical loads for soils and freshwaters：a comparison methods at the Plynlimon catchments
Critical loads freshwaters Plynlimon catchments soils
2009/6/8
International agreements aimed at reducing sulphur deposition from the atmosphere are now focused on the "critical loads" concept. This provides a distributed link between sources and receptors of aci...
Continuous pH, electrical conductivity and temperature measurement at Plynlimon：towards an integrated, reliable and low maintenance instrument system
Water quality Continuous pH temperature measurement electrical conductivity
2009/6/8
Water quality data for the Nant Tanilwyth stream, Plynlimon (an acidic upland stream, the waters of which are of such low ionic strength that measurement is difficult), has been recorded using a new i...
Water temperature data were collected from five stations in the upper Severn system. Temperatures were compared between a stream with a 335 ha catchment after it had flowed for c. 1.5 km through clea...
Direct measurement of evaporation from grassland at Plynlimon
Direct measurement evaporation grassland
2009/6/8
Over the last decade there has been some uncertainty over the calculation of "actual" catchment evaporation from the long-term difference between rainfall and runoff for the grassland Wye catchment at...
The impact of site factors and climate variability on the calculation of potential evaporation at Moel Cynnedd, Plynlimon
climate variability Plynlimon potential evaporation
2009/6/8
The meteorological record from the manual Moel Cynnedd climate station at Plynlimon in the Welsh Uplands has been supplemented with solar radiation data, initially from the Institute of Hydrology's Do...