GGG2014 TCCON data from Nicosia, Cyprus (35.14 N,33.38 E).
The data cover dates starting from 20190831 through 20210309.
Please refer to the data description for these data on the TCCON wiki:
https://tccon-wiki.caltech.edu/Main/DataDescription
The site page for Nicosia, Cyprus is:
https://tccon-wiki.caltech.edu/Main/Nicosia
Below is a description of the contents of the Nicosia, Cyprus .nc file:
netcdf ni20190831_20210309.public {
dimensions:
a32 = 32 ;
a4 = 4 ;
a21 = 21 ;
ak_P_hPa = 71 ;
ak_zenith = 16 ;
time = 56532 ;
prior_date = 484 ;
prior_Height = 71 ;
variables:
char GFIT_Version(time, a4) ;
GFIT_Version:description = "GFIT Version Number" ;
GFIT_Version:name = "GFIT_Version" ;
char GSETUP_Version(time, a4) ;
GSETUP_Version:description = "GSETUP Version Number" ;
GSETUP_Version:name = "GSETUP_Version" ;
float xhdo_ppm(time) ;
xhdo_ppm:description = "0.2095*column_hdo/column_o2" ;
xhdo_ppm:units = "ppm" ;
xhdo_ppm:missing_value = -1.e+38f ;
xhdo_ppm:name = "xhdo_ppm" ;
float sia_AU(time) ;
sia_AU:description = "Solar Intensity (Average)" ;
sia_AU:units = "AU" ;
sia_AU:missing_value = -1.e+38f ;
sia_AU:name = "sia_AU" ;
float hout_RH(time) ;
hout_RH:description = "External Humidity (%)" ;
hout_RH:units = "%RH" ;
hout_RH:missing_value = -1.e+38f ;
hout_RH:name = "hout_RH" ;
float xch4_ppm_error(time) ;
xch4_ppm_error:description = "one-sigma precision" ;
xch4_ppm_error:units = "ppm" ;
xch4_ppm_error:missing_value = -1.e+38f ;
xch4_ppm_error:name = "xch4_ppm_error" ;
float xhdo_ppm_error(time) ;
xhdo_ppm_error:description = "one-sigma precision" ;
xhdo_ppm_error:units = "ppm" ;
xhdo_ppm_error:missing_value = -1.e+38f ;
xhdo_ppm_error:name = "xhdo_ppm_error" ;
float tout_C(time) ;
tout_C:description = "External Temperature (C)" ;
tout_C:units = "C" ;
tout_C:missing_value = -1.e+38f ;
tout_C:name = "tout_C" ;
float hour(time) ;
hour:missing_value = -1.e+38f ;
hour:description = "Fractional UT Hour" ;
hour:name = "hour" ;
float xn2o_ppb_error(time) ;
xn2o_ppb_error:description = "one-sigma precision" ;
xn2o_ppb_error:units = "ppb" ;
xn2o_ppb_error:missing_value = -1.e+38f ;
xn2o_ppb_error:name = "xn2o_ppb_error" ;
float xhf_ppt(time) ;
xhf_ppt:description = "0.2095*column_hf/column_o2" ;
xhf_ppt:units = "ppt" ;
xhf_ppt:missing_value = -1.e+38f ;
xhf_ppt:name = "xhf_ppt" ;
float lat_deg(time) ;
lat_deg:description = "Latitude (deg.)" ;
lat_deg:units = "deg" ;
lat_deg:missing_value = -1.e+38f ;
lat_deg:name = "lat_deg" ;
float xh2o_ppm_error(time) ;
xh2o_ppm_error:description = "one-sigma precision" ;
xh2o_ppm_error:units = "ppm" ;
xh2o_ppm_error:missing_value = -1.e+38f ;
xh2o_ppm_error:name = "xh2o_ppm_error" ;
int day(time) ;
day:missing_value = -32768 ;
day:description = "Day of the year (1-366)" ;
day:name = "day" ;
int year(time) ;
year:missing_value = -32768 ;
year:description = "Year (e.g. (2009))" ;
year:name = "year" ;
float xco2_ppm_error(time) ;
xco2_ppm_error:description = "one-sigma precision" ;
xco2_ppm_error:units = "ppm" ;
xco2_ppm_error:missing_value = -1.e+38f ;
xco2_ppm_error:name = "xco2_ppm_error" ;
float zobs_km(time) ;
zobs_km:description = "Geometric Altitude (km)" ;
zobs_km:units = "km" ;
zobs_km:missing_value = -1.e+38f ;
zobs_km:name = "zobs_km" ;
float zmin_km(time) ;
zmin_km:description = "Pressure Altitude (km)" ;
zmin_km:units = "km" ;
zmin_km:missing_value = -1.e+38f ;
zmin_km:name = "zmin_km" ;
float xh2o_ppm(time) ;
xh2o_ppm:description = "0.2095*column_h2o/column_o2" ;
xh2o_ppm:units = "ppm" ;
xh2o_ppm:missing_value = -1.e+38f ;
xh2o_ppm:name = "xh2o_ppm" ;
float long_deg(time) ;
long_deg:description = "Longitude (deg.)" ;
long_deg:units = "deg" ;
long_deg:missing_value = -1.e+38f ;
long_deg:name = "long_deg" ;
float azim_deg(time) ;
azim_deg:description = "Solar Azimuth Angle (deg)" ;
azim_deg:units = "deg" ;
azim_deg:missing_value = -1.e+38f ;
azim_deg:name = "azim_deg" ;
float wdir_deg(time) ;
wdir_deg:description = "Wind Direction (deg.)" ;
wdir_deg:units = "deg" ;
wdir_deg:missing_value = -1.e+38f ;
wdir_deg:name = "wdir_deg" ;
float xco_ppb(time) ;
xco_ppb:description = "0.2095*column_co/column_o2" ;
xco_ppb:units = "ppb" ;
xco_ppb:missing_value = -1.e+38f ;
xco_ppb:name = "xco_ppb" ;
float xch4_ppm(time) ;
xch4_ppm:description = "0.2095*column_ch4/column_o2" ;
xch4_ppm:units = "ppm" ;
xch4_ppm:missing_value = -1.e+38f ;
xch4_ppm:name = "xch4_ppm" ;
float pout_hPa(time) ;
pout_hPa:description = "External Surface Pressure (hPa)" ;
pout_hPa:units = "hPa" ;
pout_hPa:missing_value = -1.e+38f ;
pout_hPa:name = "pout_hPa" ;
float xco_ppb_error(time) ;
xco_ppb_error:description = "one-sigma precision" ;
xco_ppb_error:units = "ppb" ;
xco_ppb_error:missing_value = -1.e+38f ;
xco_ppb_error:name = "xco_ppb_error" ;
float xn2o_ppb(time) ;
xn2o_ppb:description = "0.2095*column_n2o/column_o2" ;
xn2o_ppb:units = "ppb" ;
xn2o_ppb:missing_value = -1.e+38f ;
xn2o_ppb:name = "xn2o_ppb" ;
double time(time) ;
time:units = "days" ;
time:description = "Fractional days since 1970/1/1 00:00:00" ;
time:name = "time" ;
float asza_deg(time) ;
asza_deg:description = "Solar Zenith Angle (deg)" ;
asza_deg:units = "deg" ;
asza_deg:missing_value = -1.e+38f ;
asza_deg:name = "asza_deg" ;
float xhf_ppt_error(time) ;
xhf_ppt_error:description = "one-sigma precision" ;
xhf_ppt_error:units = "ppt" ;
xhf_ppt_error:missing_value = -1.e+38f ;
xhf_ppt_error:name = "xhf_ppt_error" ;
float fvsi(time) ;
fvsi:description = "Fractional Variation in Solar Intensity (%)" ;
fvsi:units = "%" ;
fvsi:missing_value = -1.e+38f ;
fvsi:name = "fvsi" ;
float xco2_ppm(time) ;
xco2_ppm:description = "0.2095*column_co2/column_o2" ;
xco2_ppm:units = "ppm" ;
xco2_ppm:missing_value = -1.e+38f ;
xco2_ppm:name = "xco2_ppm" ;
float wspd_m_s(time) ;
wspd_m_s:description = "Wind Speed (m/s)" ;
wspd_m_s:units = "m/s" ;
wspd_m_s:missing_value = -1.e+38f ;
wspd_m_s:name = "wspd_m_s" ;
int prior_date_index(time) ;
prior_date_index:units = "Index starting at 0" ;
prior_date_index:missing_value = -32768 ;
prior_date_index:description = "Index of date in main array" ;
prior_date_index:name = "prior_date_index" ;
double prior_date(prior_date) ;
prior_date:units = "Fractional days since 1970/1/1 00:00:00" ;
prior_date:description = "Date of the a priori profile" ;
prior_date:name = "prior_date" ;
double prior_Height(prior_Height) ;
prior_Height:units = "km" ;
prior_Height:description = "A priori altitude profile" ;
prior_Height:name = "prior_Height" ;
double prior_co2(prior_date, prior_Height) ;
prior_co2:units = "ppm" ;
prior_co2:description = "A priori CO2 profile" ;
prior_co2:name = "prior_co2" ;
double prior_n2o(prior_date, prior_Height) ;
prior_n2o:units = "ppb" ;
prior_n2o:description = "A priori N2O profile" ;
prior_n2o:name = "prior_n2o" ;
double prior_Temp(prior_date, prior_Height) ;
prior_Temp:units = "K" ;
prior_Temp:description = "A priori temperature profile" ;
prior_Temp:name = "prior_Temp" ;
double prior_Density(prior_date, prior_Height) ;
prior_Density:units = "molecules/cm^3" ;
prior_Density:description = "A priori density profile" ;
prior_Density:name = "prior_Density" ;
double prior_gravity(prior_date, prior_Height) ;
prior_gravity:units = "m/s^2" ;
prior_gravity:description = "Gravitational acceleration" ;
prior_gravity:name = "prior_gravity" ;
double prior_Pressure(prior_date, prior_Height) ;
prior_Pressure:units = "hPa" ;
prior_Pressure:description = "A priori pressure profile" ;
prior_Pressure:name = "prior_Pressure" ;
double prior_h2o(prior_date, prior_Height) ;
prior_h2o:units = "parts" ;
prior_h2o:description = "A priori H2O profile" ;
prior_h2o:name = "prior_h2o" ;
double prior_ch4(prior_date, prior_Height) ;
prior_ch4:units = "ppb" ;
prior_ch4:description = "A priori CH4 profile" ;
prior_ch4:name = "prior_ch4" ;
double prior_hdo(prior_date, prior_Height) ;
prior_hdo:units = "parts" ;
prior_hdo:description = "A priori HDO profile" ;
prior_hdo:name = "prior_hdo" ;
double prior_co(prior_date, prior_Height) ;
prior_co:units = "ppb" ;
prior_co:description = "A priori CO profile" ;
prior_co:name = "prior_co" ;
double prior_hf(prior_date, prior_Height) ;
prior_hf:units = "ppt" ;
prior_hf:description = "A priori HF profile" ;
prior_hf:name = "prior_hf" ;
int prior_year(prior_date) ;
prior_year:description = "Year of the a priori profile (e.g. 2009)" ;
prior_year:name = "prior_year" ;
int prior_month(prior_date) ;
prior_month:description = "Month of the a priori profile (e.g. March is 03)" ;
prior_month:name = "prior_month" ;
int prior_day(prior_date) ;
prior_day:description = "Day of the month of the a priori profile" ;
prior_day:name = "prior_day" ;
double ak_n2o(ak_P_hPa, ak_zenith) ;
ak_n2o:description = "N2O column averaging kernel profile" ;
ak_n2o:name = "ak_n2o" ;
double ak_hf(ak_P_hPa, ak_zenith) ;
ak_hf:description = "HF column averaging kernel profile" ;
ak_hf:name = "ak_hf" ;
double ak_hdo(ak_P_hPa, ak_zenith) ;
ak_hdo:description = "HDO column averaging kernel profile" ;
ak_hdo:name = "ak_hdo" ;
double ak_h2o(ak_P_hPa, ak_zenith) ;
ak_h2o:description = "H2O column averaging kernel profile" ;
ak_h2o:name = "ak_h2o" ;
double ak_co2(ak_P_hPa, ak_zenith) ;
ak_co2:description = "CO2 column averaging kernel profile" ;
ak_co2:name = "ak_co2" ;
double ak_co(ak_P_hPa, ak_zenith) ;
ak_co:description = "CO column averaging kernel profile" ;
ak_co:name = "ak_co" ;
double ak_ch4(ak_P_hPa, ak_zenith) ;
ak_ch4:description = "CH4 column averaging kernel profile" ;
ak_ch4:name = "ak_ch4" ;
double ak_P_hPa(ak_P_hPa) ;
ak_P_hPa:description = "Column averaging kernel pressure" ;
ak_P_hPa:name = "ak_P_hPa" ;
double ak_zenith(ak_zenith) ;
ak_zenith:units = "degrees" ;
ak_zenith:description = "Column averaging kernel solar zenith angles" ;
ak_zenith:name = "ak_zenith" ;
// global attributes:
:More_Information = "https://tccon-wiki.caltech.edu" ;
:TCCON_Reference = "Wunch, D., G. C. Toon, J.-F. L. Blavier, R. A. Washenfelder, J. Notholt, B. J. Connor, D. W. T. Griffith, V. Sherlock, and P. O. Wennberg (2011), The total carbon column observing network, Philosophical Transactions of the Royal Society - Series A: Mathematical, Physical and Engineering Sciences, 369(1943), 2087-2112, doi:10.1098/rsta.2010.0240. Available from: http://dx.doi.org/10.1098/rsta.2010.0240" ;
:Data_Use_Policy = "https://tccon-wiki.caltech.edu/Network_Policy/Data_Use_Policy" ;
:Auxiliary_Data_Description = "https://tccon-wiki.caltech.edu/Network_Policy/Data_Use_Policy/Auxiliary_Data" ;
:Software_Version = "GGG2014" ;
:id = "ni" ;
:longName = "nicosia01" ;
:Contact = "Christof Petri <christof.petri@iup.physik.uni-bremen.de>" ;
:Location = "Nicosia, Cyprus" ;
:Site_Reference = "Messerschmidt, J., H. Chen, N. M. Deutscher, C. Gerbig, P. Grupe, K. Katrynski, F.-T. Koch, J. V. Lavric, J. Notholt, C. Rodenbeck, W. Ruhe, T. Warneke, and C. Weinzierl (2012), Automated ground-based remote sensing measurements of greenhouse gases at the Bialystok site in comparison with collocated in situ measurements and model data, Atmospheric Chemistry and Physics, 12(15), 6741-6755, doi:10.5194/acp-12-6741-2012. Available from: https://www.atmos-chem-phys.net/12/6741/2012/" ;
:Data_DOI = "10.14291/tccon.ggg2014.nicosia01.R0" ;
:Data_Reference = "Petri, C., C. Rousogenous, T. Warneke, M. Vrekoussis, S. Sciare, J. Notholt. 2020. TCCON data from Nicosia, Cyprus, Release GGG2014R0. TCCON data archive, hosted by CaltechDATA, California Institute of Technology, Pasadena, CA, U.S.A. http://doi.org/10.14291/tccon.ggg2014.nicosia01.R0" ;
:Data_Revision = "R0" ;
:creation_date = "2022/04/08" ;
:start_date = "2019/08/31" ;
:end_date = "2021/03/09" ;
}