Reference no: EM134734 , Length: 23

Reconstructing Central Texas Holocene Soil Erosion and Climate Using Carbon, Oxygen and Strontium Isotopes

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Problem Statement

Significant soil erosion has affected the Edwards Plateau since the last hostile maximum. Several lines of evidence adding vertebrate fossils and sediment characteristics in Central Texas cave-fill deposits suggest soils were much thicker in the Early Holocene. Thus, the timing, rate, and cause of Holocene soil erosion are not well understood. The reason of this project is

1) to re-construct the magnitude, rate and timing of Holocene soil erosion on the Edwards Plateau,

2) to evaluate the utility of Sr isotopes in fossil materials as a proxy for ancient soil thickness, and

3) to determine with stable C and O isotopes the possible environmental factors leading to Central Texas Holocene soil erosion.