岩溶作用及其碳汇强度计算的“入渗-平衡化学法”——兼论水化学径流法和溶蚀试片法

被引:24
作者
刘再华
机构
[1] 中国科学院地球化学研究所/环境地球化学国家重点实验室
关键词
岩溶; 碳汇强度; 溶蚀试片方法; 水化学径流法; 入渗-平衡化学法(潜在最大溶蚀法);
D O I
暂无
中图分类号
P642.25 [岩溶(喀斯特)];
学科分类号
070501 ;
摘要
岩溶作用通过碳酸盐岩溶解时消耗大气或土壤CO2成为重要的碳汇过程。本文首先简要介绍了定量评价岩溶作用及其碳汇强度的水化学径流法和碳酸盐岩溶蚀试片法及其优缺点,即水化学径流法仅适用于边界清楚且为全排型的流域,而试片法仅适用于土壤中不含碳酸盐矿物的条件。继而推导出了岩溶作用及其碳汇强度计算的"入渗-平衡化学法"(或称"潜在最大溶蚀法"),该方法的优点在于只要知道了相关地区的基本气候资料,如温度、降水和蒸发蒸腾数据,即可计算出该地区的岩溶作用及其碳汇强度。
引用
收藏
页码:379 / 382
页数:4
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