GPS and hydraulic head measurement utilized in North China Plain research

This dataset contains the raw data of the GPS and hydraulic head measurement 
utilized in North China Plain research.

## Included files

The `gps_cmonoc.dat` file contains the horizontal and vertical velocities of 
the 35 continuous GPS stations from the Crustal Movement Observation Network of 
China (CMONOC) project.

The `gps_bjcors.dat` file contains the horizontal and vertical velocities of 
the 14 continuous GPS stations from the Beijing Continuously Operating Reference 
Station (BJCORS) network.

The `gps_campaign.dat` file contains the horizontal and vertical velocities of 
the 432 campaign GPS stations from the Crustal Movement Observation Network of 
China (CMONOC) project.

The `hydraulic_datacenter.xlsx` file contains the 559 measurements from confined 
well accessed from the National Earth System Science Data Center, National Science 
& Technology Infrastructure of China (http://www.geodata.cn), recording during 2005-2018.

The `hydraulic_yearbook.xlsx` file contains the 130 measurements from both confined
and unconfined well compiled from the yearbook 'the China Groundwater Level Yearbook 
for Geo-environmental Monitoring', recoding during 2005-2016.