OC stock in bulk soil（kg/m2）=
OC × SBD × D / 100, 就是这个转换系数我看有的是×10, 有的又是➗10。SOC stocks单位一般都是Mg/ha.
这是我另外看的文献公式：Estimation of Soil Organic Carbon Stock Total SOC stock of profile for each of the five depths (0–20, 20–
40, 40–60, 60–80, 80–100 cm) was computed by multiplying the SOC concentration by the bulk density, depth, and factor by 10
(Equation 1). Profile SOC stock=SOC concentration(g/kg)× bulk density(Mg/m3)×depth(m)×10
SOC stock was calculated according to Shofiyati et al.
(2010), which is given as below: SOC stock（t/ha）
=TOC（g/kg） × BD （g/cm3） × soil depth（m） × 10 4× m2/ha ×10
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TSOC=容重*土层深度*碳含量*S*（1-砾石含量）.详细公式请看------我国东部土壤有机碳的密度和储量，里面有介绍
你研究多深的土层就取多深的样品，除非石山地区土层不够深，计算的时候也要计算到0-100cm。沼泽地带比较难取样，想办法克服困难。
OC stock in bulk soil（kg/m2）=
OC × SBD × D / 100, 就是这个转换系数我看有的是×10, 有的又是➗10。SOC stocks单位一般都是Mg/ha.
这是我另外看的文献公式：Estimation of Soil Organic Carbon Stock Total SOC stock of profile for each of the five depths (0–20, 20–
40, 40–60, 60–80, 80–100 cm) was computed by multiplying the SOC concentration by the bulk density, depth, and factor by 10
(Equation 1). Profile SOC stock=SOC concentration(g/kg)× bulk density(Mg/m3)×depth(m)×10
SOC stock was calculated according to Shofiyati et al.
(2010), which is given as below: SOC stock（t/ha）
=TOC（g/kg） × BD （g/cm3） × soil depth（m） × 10 4× m2/ha ×10
The SOC stocks (Mg ha1) were calculated as follows:
SOC stock (Mg/ha) = SOC concentration (g/kg) × soil depth (m) × BD (g/ cm3)× 10 4× m-2 ha-1× 10.
2篇文献 计算符号也不同 奇了怪 谢谢
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