Georgia Salt Marsh: Soil Organic Carbon, Nitrogen, Bulk Density, Moisture, and Texture

As part of project predicting soil carbon at depth from that found at the surface using remote sensing, 28 soil cores were taken from six salt marshes along the Georgia coastline. Cores were taken as deep as possible (25 – 165 cm) and sectioned into 5 cm depths. Soils were analyzed for organic carbon (SOC), total nitrogen (N), bulk density (BD), and particle size (by horizon). Stable carbon isotopes were obtained in three marshes on Sapelo Island; a subset was also analyzed for radiocarbon.

本研究作为"利用遥感技术基于表层土壤碳预测深层土壤碳"项目的组成部分，从佐治亚州海岸线沿线的6处盐沼中采集了28个土壤柱状样。所有土壤柱状样均尽可能深地钻取（深度范围25~165 cm），并按5 cm厚度分层切割。对土壤样品开展了有机碳（SOC）、全氮（N）、容重（BD）及粒径（按土层）分析。在萨佩洛岛的3处盐沼中测定了稳定碳同位素；其中部分子样品还额外开展了放射性碳分析。