雄安新区地下水水位与降水及北太平洋指数的小波分析

基于1991-2016年雄安新区4个地下水监测孔的长时间序列水位数据、降水数据及北太平洋指数(North Pacifie Index,NPI),采用连续小波、交叉小波变换等方法,分析了三者的周期性变化及其之间的相互关系。结果表明:(1)雄安新区地下水水位、降水与NPI的主波动周期及各序列间共振周期均为1a。(2)丰水年的地下水水位时滞小于全时段的地下水水位时滞,高降水量对潜水-承压水水位时滞的影响大于对承压水的影响。(3)地下水水位对NPI的时滞大于对降水的时滞;在丰水年,地下水水位对NPI的响应更快;地下水对降水和NPI的响应速度,明确反映了研究区地下水水位动态变化的主要气候影响因素是降水。...

Full description

Saved in:
Bibliographic details
Volume: 44
Main Author: 凤蔚;祁晓凡;李海涛;李文鹏;殷秀兰
Format: Journal Article
Language: Chinese
Place of publication: 中国地质环境监测院,北京 100081%中国地质大学(北京)水资源与环境学院,北京 100083 2017
中国地质大学(北京)水资源与环境学院,北京 100083
山东省地质调查院,山东济南250013%中国地质环境监测院,北京,100081
中国地质环境监测院,北京 100081
published in: 水文地质工程地质 Vol. 44; no. 6; pp. 1 - 8
Data of publication: 2017
ISSN: 1000-3665
Alternate Title: Wavelet analysis between groundwater level regimes and precipitation, North Pacific Index in the Xiongan New Area
Classification Codes:
Bibliography: Based on the time series data of four monitoring wells of groundwater level regime and precipitation in the Xiongan New Area, together with the North Pacific Index (NPI) from 1991 to 2016, periodicities of the time series and their relationships are analyzed in this paper by adopting methods of continuous wavelet transform and cross wavelet transform. The results show that ( 1 ) the main periods of the groundwater level regimes, precipitation, NPI and their resonance periods between each other are all la. (2) The lags of the rich precipitation period are all shorter than the lags of the whole time. Rich precipitation has greater influence on the lags of groundwater level regimes in unconfined-confined aquifers than those in confined aquifers. (3) The lags of groundwater level regimes to NPI are all longer than the lags of groundwater level regimes to precipitation. Responses of groundwater level regimes to NPI are faster in rich precipitation years, especially for groundwater level regimes in the unconfined-c
Subjects:
Online Access: available in Bonn?
Database: 中文科技期刊数据库
中文科技期刊数据库-CALIS站点
中文科技期刊数据库-7.0平台
中文科技期刊数据库-自然科学
中文科技期刊数据库- 镜像站点
Wanfang Data Journals - Hong Kong
WANFANG Data Centre
Wanfang Data Journals
万方数据期刊 - 香港版
China Online Journals (COJ)
China Online Journals (COJ)
Database information Databases - DBIS