[1]刘道荣.浙西丘陵区不同采样密度富硒土壤评价研究[J].华东地质,2020,41(02):177-183.[doi:10.16788/j.hddz.32-1865/P.2020.02.009]
 LIU Dao-rong.Assessment of selenium-rich soils in the hilly areas, western Zhejiang Province with different sampling densities[J].East China Geology,2020,41(02):177-183.[doi:10.16788/j.hddz.32-1865/P.2020.02.009]
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浙西丘陵区不同采样密度富硒土壤评价研究()
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《华东地质》[ISSN:2096-1871/CN:32-1865/P]

卷:
41
期数:
2020年02期
页码:
177-183
栏目:
生态地质
出版日期:
2020-06-20

文章信息/Info

Title:
Assessment of selenium-rich soils in the hilly areas, western Zhejiang Province with different sampling densities
文章编号:
2096-1871(2020)02-177-07
作者:
刘道荣
(中化地质矿山总局浙江地质勘查院,杭州 310002)
Author(s):
LIU Dao-rong
(Zhejiang Geological Prospecting Institute of China Chemical Geology and Mine Bureau,Hangzhou 310002, China)
关键词:
富硒土壤 土地质量地质调查 采样密度 浙西丘陵区
Keywords:
selenium-rich soil land quality geological survey sampling density hilly areas western Zhejiang Province
分类号:
P559
DOI:
10.16788/j.hddz.32-1865/P.2020.02.009
文献标志码:
A
摘要:
为精准确定富硒水田图斑,以浙西典型丘陵富硒区常山县球川镇棋盘山为研究区,采用1:1万土地质量地球化学评价规范(平均采样密度为25.6件/km2)和无样图斑属性赋值法(平均采样密度为55.2件/km2)分析图斑实测值,对比研究浙西丘陵区富硒土壤硒含量及富硒图斑评价结果。无样图斑赋值结果与实测值相对双差合格率为60.71%,富硒图斑判定结果一致率为63.64%。研究区1:1万土地质量地球化学评价规范采样评价精度尚难达到富硒图斑精准要求,应适当加大采样密度,尤其是无样图斑周边无实测图斑时,应布置采样点予以控制。
Abstract:
To accurately determine the patches of selenium(Se)-rich paddy fields, this study carried out geochemical analysis on soils from the Qipanshan Se-rich area, Changshan County in western Zhejiang Province. Based on 1:10 000 Geochemical Evaluation Criterion of Land Quality(an ave. sampling density of 25.6 pieces/km2)and average assigned values of non-sample patches at an average sampling desity of 55.2 piece/km2, Se contents of Se-rich soils and evaluation results of Se-rich patches in the hilly areas were obtained. The results show that the qualified rate of two differences between non-sample pattern assignment and measured value is 60.71%, with the consistency rate of selenium-rich pattern determination up to 63.64%. The accuracy of sampling evalution of the 1:10 000 geochemical evalution for land quality in the study area is still difficult to meet the requirement of accurate determination of Se-rich patches. Therefore, sampling density should be increased appropriately, and deployment for sampling positions should be under control especially in no actual measured patches around non-sample patches.

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相似文献/References:

[1]刘道荣,李 飞,郑基滋,等.浙江临安东部地区土壤硒分布特征及影响因素[J].华东地质,2020,41(01):54.[doi:10.16788/j.hddz.32-1865/P.2020.01.007]
 LIU Dao-rong,LI Fei,ZHENG Ji-zi,et al.Distribution characteristics and influencing factors of selenium in soils in eastern Lin’an, Zhejiang Province[J].East China Geology,2020,41(02):54.[doi:10.16788/j.hddz.32-1865/P.2020.01.007]
[2]陶春军,李明辉,马明海,等.皖南某典型富硒区土壤-水稻重金属生态风险评估[J].华东地质,2023,44(02):160.[doi:10.16788/j.hddz.32-1865/P.2023.02.005]
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备注/Memo

备注/Memo:
*收稿日期:2019-06-13 修订日期:2019-10-15 责任编辑:谭桂丽
基金项目:中化地质矿山总局“土地质量调查与污染防治团队建设计划”和“浙江省常山县土地质量地质调查”项目联合资助。
作者简介:刘道荣,1982年生,男,教授级高级工程师,主要从事矿产地质、农业地质调查工作。

更新日期/Last Update: 2020-06-23