Modeling carbon and nitrogen isotopic compositions using spectroscopy

Original Excel dataset containing the measured soil carbon (δ¹³C) and nitrogen (δ¹⁵N) isotopic compositions, MIR and Vis–NIR–SWIR spectral data, and associated soil properties used to develop and validate the spectroscopic prediction models for Amazonian floodplain forest soils in Brazil. The dataset provides the raw data supporting all statistical analyses and model evaluations presented in this study.本数据集为原始Excel格式数据，包含实测土壤碳（δ¹³C）、氮（δ¹⁵N）同位素组成，中红外光谱（MIR）以及可见光-近红外-短波红外光谱（Vis–NIR–SWIR）数据，以及用于构建并验证巴西亚马逊洪泛平原森林土壤光谱预测模型的相关土壤属性。本数据集提供了支撑本研究中所有统计分析与模型评估工作的原始数据。