Lead 210 dating

The Technical Assistance Program for Watersheds (TAPwaters) is dedicated to the use of geographic information system (GIS) and hydrological modeling technology for the advancement of watershed research and management.

The TAPwaters office is located in the Spring Creek annex and houses two high-end workstations, a 4x5-ft.

This approach can also be used in a number of other ways to investigate the distribution of radioisotopes in the environment through measurements of a wide range of environmental and ecological samples.

UK Environmental Change Research Centre, University College London ( Before sending samples for analysis it is important to contact either Handong Yang or Neil Rose (see Contacts) regarding up-to-date costs and the time from receipt of samples to reporting as this can vary depending on demand.

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This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.The unsupported 210Pb was determined by subtraction of the supported from the total at each core sediment level.Irregularities in the 210Pb activity versus depth profile, indicated variation in the net sedimentation accumulation rate during the past 96 and 182 years at the Volta and Pra estuaries, respectively.Equipment is available for sediment coring with gravity corers, Livingstone corers, surface piston corers, and more than 70 meters of lightweight magnesium-zirconium drive rod.An automated weather station provides continuous recording of meteorological data that can be downloaded via modem.

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