| 柳州地区各种红壤土种的酸沉降临界负荷研究 |
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| 引用本文： | 谢绍东,郝吉明,周中平.柳州地区各种红壤土种的酸沉降临界负荷研究[J].环境科学学报,1999,19(6):657-661. |
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| 作者姓名： | 谢绍东 郝吉明 周中平 |
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| 作者单位： | 1. 北京大学环境科学中心,北京,100871
2. 清华大学环境科学与工程系,环境模拟与污染控制国家重点联合实验室,北京,100084 |
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| 摘 要： | 应用简单质量平衡法，多层模型ＰＲＯＦＩＬＥ和基于植物响应标准计算柳州红壤和土种的酸沉降临界负荷，并建立了系统完整地收集，测量与估算模型所需参数的方法。结果表明，柳州红壤各土种的硫沉降临界负荷为０．５０－１．８０ｋｅｑ．ｈｍ＾－２．ａ＾－１，为保护９５％的土壤不受酸沉降危害，柳州土壤的潜在酸度，酸度和硫沉降临界负荷分别为１．８ｋｅｑ；ｈｍ＾－２．ａ＾－１，１．９ｋｅｑ．ｈｍ＾－２．ａ＾－１和０．７０
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| 关 键 词： | 酸沉降 临界负荷 红壤 酸化模型 |
| 收稿时间： | 1998/4/21 0:00:00 |
| 修稿时间： | 1999/1/11 0:00:00 |
Assessmentof criticalload for acid deposition to all kinds of red earth in Liuzhou area, China |
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| XIE Shaodong,HAO Jiming and ZHOU Zhongping.Assessmentof criticalload for acid deposition to all kinds of red earth in Liuzhou area, China[J].Acta Scientiae Circumstantiae,1999,19(6):657-661. |
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| Authors: | XIE Shaodong HAO Jiming and ZHOU Zhongping |
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| Institution: | Center of Environmental Sciences, Peking University, Beijing 100871,Departmentof Environmental Engineering, Tsinghua University, Beijing 100084 and Departmentof Environmental Engineering, Tsinghua University, Beijing 100084 |
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| Abstract: | The critical loads of aciddeposition for all kinds of redearthin Liuzhouarea of China werecal culated bythesimple massbalance method(SMB) and multilayer model(PROFILE). Basedonthecrite ria of plantresponse, acomplete and systemati capproach was established to collect, measureandestimate the parametersrequired bythe model.There sults shows that the critical loads of sulfur depositionforvarious kinds of redearthinthisarea were withintherangeof 0.50 -1.80keq·hm-2·a-1, and the 5th percentilecriticalloadsofacidity, potentialacidity, sulfur deposition and nitrogen depositionforred earth are 1.8 keq·hm-2·a-1, 1.9keq·hm-2·a-1, 0.70 keq·hm-2·a-1 and 1.5keq·hm-2·a-1, respectively. |
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| Keywords: | criticalload acid deposition red earth acidification model |
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