吉林省国际河流水文站网建设汇报.ppt

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1、吉林省墒情监测中心2015年11月土壤水分监测仪器监测精度研究辛玉琛汇报主要内容：◈开展监测精度研究的必要性◈精度研究◈技术改进◈结论及建议◈后续研究仪器应用现状开展精度研究的必要性一.开展研究的必要性一.开展研究的必要性仪器应用现状：防指一期工程市场准入一.开展研究的必要性开展精度研究的必要性：提高站网密度——逐步实现点面转换改进监测手段——人工监测→自动监测提高服务时限——随要随报二.精度研究针对旱情应急监测开展对比观测针对吉林省中西部旱情应急监测系统工程建设开展对比观测1.针对旱情应急监测开展对比观测移动式土

2、壤水分采集仪对比观测现场1.针对旱情应急监测开展对比观测表1移动式土壤水分采集仪对比观测统计表单位：%厂家观测时间观测地点10cm20cm40cm人工法仪器法差值控制标准±15%人工法仪器法差值控制标准±15%人工法仪器法差值控制标准±15%厂家12014.10.13黑帝庙7.95.852.051.198.23.185.021.2311.38.872.431.7厂家27.95.442.461.198.25.432.771.2311.38.832.471.7厂家12014.10.13瞻榆115.915.091.651

3、3.33.2110.09212.18.933.171.82厂家2115.915.091.6513.310.23.13212.111.690.411.82厂家12014.10.14长岭火烧屯13.466.197.272.0214.46.767.642.1610.27.013.191.53厂家213.469.783.682.0214.47.347.062.1610.26.883.321.53注：控制标准±15%是在满足吉林省旱情分析最低要求的条件下制定出来的，下同。1.针对旱情应急监测开展对比观测经统计:移动式土壤水分

4、采集仪对比观测中,厂家1的合格率为0；厂家2合格率为11.1%。固定式土壤水分采集仪对比观测现场1.针对旱情应急监测开展对比观测1.针对旱情应急监测开展对比观测表2固定式土壤水分采集仪对比观测统计表单位：%厂家观测时间10cm20cm40cm人工法仪器法差值控制标准±15%人工法仪器法差值控制标准±15%人工法仪器法差值控制标准±15%厂家12014.7.1727.429.11-1.714.1123.5025.63-2.133.5326.1023.622.483.92厂家227.411.8315.574.1123.

5、5016.297.213.5326.1011.4914.613.92厂家327.419.378.034.1123.5022.850.653.5326.1013.7412.363.92厂家12014.8.820.68.9811.623.0920.3010.549.763.0521.9022.28-0.383.29厂家220.66.8313.773.0920.3013.087.223.0521.9011.5610.343.29厂家320.68.3212.283.0920.3016.054.253.0521.9013.7

6、18.193.29厂家12014.9.421.715.965.743.2623.9012.7111.193.5924.2022.901.33.63厂家221.77.5414.163.2623.900.0023.93.5924.2011.6712.533.63厂家321.713.18.63.2623.9017.666.243.5924.2013.2310.973.63厂家12014.10.1523.721.871.833.5623.4020.283.123.5124.4024.47-0.073.66厂家223.76.

7、2717.433.5623.4011.1912.213.5124.4010.2614.143.66厂家323.79.9213.783.5623.4017.685.723.5124.4012.8311.573.66厂家12014.11.72217.514.493.3024.1017.736.373.6224.0023.780.223.60厂家22220.321.683.3024.1022.451.653.6224.0020.843.163.60厂家3226.6515.353.3024.1015.878.233.622

8、4.0012.9011.13.60厂家12015.4.2120.926.09-5.193.1422.8025.61-2.813.4222.7018.923.783.41厂家220.919.841.063.1422.8023.25-0.453.4222.7021.691.013.41厂家320.93.1517.753.1422.808.1314.673.422