Note on the files containing coords without year

[Baptiste Vandecrux]

output/GC-Net_info_incl_1999.csv

https://github.com/GEUS-Glaciology-and-Climate/GCNet_positions/blob/main/output/GC-Net_info_incl_1999.csv

SWC: same coords as 1990 (within rounding), discarding
CP1: different from other coords listed there, could be real obs from missing year
NASA-U: off the main track of other coords, discarding
GITS: off the main track of other coords, discarding
HUM: same coords as 1995, discarding
SUM: different from other coords listed there, could be real obs from missing year
TUN: different from other coords listed there, could be real obs from missing year, same as metadata_2000 (below)
DY2: different from other coords listed there, could be real obs from missing year
JAR1: same as 1996, discarding
SDO: different from other coords listed there, could be real obs from missing year
NAE: different from other coords listed there, could be real obs from missing year, same as metadata_2000 (below)
NSE: different from other coords listed there, could be real obs from missing year
PET: different from other coords listed there, could be real obs from missing year
NEM: different from other coords listed there, could be real obs from missing year
EGP: different from other coords listed there, could be real obs from missing year

metadata file from 2000

https://github.com/GEUS-Glaciology-and-Climate/GC-Net-level-1-data-processing/blob/main/metadata/Gc-net_documentation_Nov_10_2000_outdated.pdf

most of the coordinates have a year of measurements, but some are left without one

Saddle: coords off-track, discarding
TUN: same as GC-Net info_incl_1999.csv
NAE: same as GC-Net info_incl_1999.csv

WMO coordinates in 2012 report

https://github.com/GEUS-Glaciology-and-Climate/GCNet_positions/blob/main/data/GC_Net_SYNOP_status20120301.pdf

SWC: somewhere between 2005 and 2006 coordinates, discarding
CP1: different from other coords listed there, could be real obs from missing year
GITS; different from other coords listed there, could be real obs from missing year
HUM: same as 1995, discarding
SUM: different from other coords listed there, could be real obs from missing year
TUN: different from other coords listed there, could be real obs from missing year
DY2: different from other coords listed there, could be real obs from missing year
JAR1: same as 2005, discarding
SDL: different from other coords listed there, could be real obs from missing year
SDO: different from other coords listed there, could be real obs from missing year
NAE: different from other coords listed there, could be real obs from missing year
NSE: off track, discarding
NEM: different from other coords listed there, could be real obs from missing year