netcdf sgp30co2flx25mC1.a1.20150720.000000 { dimensions: time = UNLIMITED ; // (48 currently) variables: int base_time ; base_time:string = "20-Jul-2015,00:00:00 GMT" ; base_time:long_name = "Base time in Epoch" ; base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ; double time_offset(time) ; time_offset:long_name = "Time offset from base_time" ; time_offset:units = "seconds since 20-Jul-2015,00:00:00 GMT" ; double yyyydddhhmmss(time) ; yyyydddhhmmss:units = "yyyydddhhmmss" ; yyyydddhhmmss:long_name = "start of data interval" ; float mean_unrot_u(time) ; mean_unrot_u:units = "m s-1" ; mean_unrot_u:long_name = "mean north wind speed (u), unrotated" ; mean_unrot_u:valid_min = -40 ; mean_unrot_u:valid_max = 40 ; mean_unrot_u:spike_condition = "raw signal > 6 standard deviations away from 600 second box window mean" ; float mean_unrot_v(time) ; mean_unrot_v:units = "m s-1" ; mean_unrot_v:long_name = "mean east wind speed (v), unrotated" ; mean_unrot_v:valid_min = -40 ; mean_unrot_v:valid_max = 40 ; mean_unrot_v:spike_condition = "raw signal > 6 standard deviations away from 600 second box window mean" ; float mean_unrot_w(time) ; mean_unrot_w:units = "m s-1" ; mean_unrot_w:long_name = "mean vertical wind speed (w), unrotated" ; mean_unrot_w:valid_min = -40 ; mean_unrot_w:valid_max = 40 ; mean_unrot_w:spike_condition = "raw signal > 6 standard deviations away from 600 second box window mean" ; float mean_t(time) ; mean_t:units = "degree C" ; mean_t:long_name = "mean sonic temperature (t), i.e. virtual temperature" ; mean_t:valid_min = -20 ; mean_t:valid_max = 50 ; mean_t:spike_condition = "raw signal > 5 standard deviations away from 600 second box window mean" ; float mean_q(time) ; mean_q:units = "mmol m-3" ; mean_q:long_name = "mean water vapor concentration (q)" ; mean_q:valid_min = 0 ; mean_q:valid_max = 2000 ; mean_q:spike_condition = "raw signal > 6 standard deviations away from 600 second box window mean" ; float mean_c(time) ; mean_c:units = "mmol m-3" ; mean_c:long_name = "mean co2 concentration (c)" ; mean_c:valid_min = 10 ; mean_c:valid_max = 30 ; mean_c:spike_condition = "raw signal > 6 standard deviations away from 600 second box window mean" ; float irga_lag(time) ; irga_lag:units = "seconds" ; irga_lag:long_name = "lag calculated between irga and sonic instruments" ; float var_unrot_u(time) ; var_unrot_u:units = "(m s-1)2" ; var_unrot_u:long_name = "variance of variable unrotated u" ; float var_unrot_v(time) ; var_unrot_v:units = "(m s-1)2" ; var_unrot_v:long_name = "variance of variable unrotated v" ; float var_unrot_w(time) ; var_unrot_w:units = "(m s-1)2" ; var_unrot_w:long_name = "variance of variable unrotated w" ; float var_t(time) ; var_t:units = "C2" ; var_t:long_name = "variance of variable t" ; float var_q(time) ; var_q:units = "V2" ; var_q:long_name = "variance of variable q" ; float var_c(time) ; var_c:units = "V2" ; var_c:long_name = "variance of variable c" ; float skew_unrot_u(time) ; skew_unrot_u:units = "none" ; skew_unrot_u:long_name = "skewness of unrotated variable u" ; float skew_unrot_v(time) ; skew_unrot_v:units = "none" ; skew_unrot_v:long_name = "skewness of unrotated variable v" ; float skew_unrot_w(time) ; skew_unrot_w:units = "none" ; skew_unrot_w:long_name = "skewness of unrotated variable w" ; float skew_t(time) ; skew_t:units = "none" ; skew_t:long_name = "skewness of variable t" ; float skew_q(time) ; skew_q:units = "none" ; skew_q:long_name = "skewness of variable q" ; float skew_c(time) ; skew_c:units = "none" ; skew_c:long_name = "skewness of variable c" ; float kurt_unrot_u(time) ; kurt_unrot_u:units = "none" ; kurt_unrot_u:long_name = "kurtosis of unrotated variable u" ; float kurt_unrot_v(time) ; kurt_unrot_v:units = "none" ; kurt_unrot_v:long_name = "kurtosis of unrotated variable v" ; float kurt_unrot_w(time) ; kurt_unrot_w:units = "none" ; kurt_unrot_w:long_name = "kurtosis of unrotated variable w" ; float kurt_t(time) ; kurt_t:units = "none" ; kurt_t:long_name = "kurtosis of variable t" ; float kurt_q(time) ; kurt_q:units = "none" ; kurt_q:long_name = "kurtosis of variable q" ; float kurt_c(time) ; kurt_c:units = "none" ; kurt_c:long_name = "kurtosis of variable c" ; float cvar_unrot_uv(time) ; cvar_unrot_uv:units = "(m s-1)2" ; cvar_unrot_uv:long_name = "unrotated covariance of uv" ; float cvar_unrot_uw(time) ; cvar_unrot_uw:units = "(m s-1)2" ; cvar_unrot_uw:long_name = "unrotated covariance of uw" ; float cvar_unrot_vw(time) ; cvar_unrot_vw:units = "(m s-1)2" ; cvar_unrot_vw:long_name = "unrotated covariance of vw" ; float cvar_unrot_ut(time) ; cvar_unrot_ut:units = "m s-1 C" ; cvar_unrot_ut:long_name = "unrotated covariance of ut" ; float cvar_unrot_uq(time) ; cvar_unrot_uq:units = "m s-1 V" ; cvar_unrot_uq:long_name = "unrotated covariance of uq" ; float cvar_unrot_uc(time) ; cvar_unrot_uc:units = "m s-1 V" ; cvar_unrot_uc:long_name = "unrotated covariance of uc" ; float cvar_unrot_vt(time) ; cvar_unrot_vt:units = "m s-1 C" ; cvar_unrot_vt:long_name = "unrotated covariance of vt" ; float cvar_unrot_vq(time) ; cvar_unrot_vq:units = "m s-1 V" ; cvar_unrot_vq:long_name = "unrotated covariance of vq" ; float cvar_unrot_vc(time) ; cvar_unrot_vc:units = "m s-1 V" ; cvar_unrot_vc:long_name = "unrotated covariance of vc" ; float cvar_unrot_wt(time) ; cvar_unrot_wt:units = "m s-1 C" ; cvar_unrot_wt:long_name = "unrotated covariance of wt" ; float cvar_unrot_wq(time) ; cvar_unrot_wq:units = "m s-1 V" ; cvar_unrot_wq:long_name = "unrotated covariance of wq" ; float cvar_unrot_wc(time) ; cvar_unrot_wc:units = "m s-1 V" ; cvar_unrot_wc:long_name = "unrotated covariance of wc" ; float cvar_tq(time) ; cvar_tq:units = "C V" ; cvar_tq:long_name = "covariance of tq" ; float cvar_tc(time) ; cvar_tc:units = "C V" ; cvar_tc:long_name = "covariance of tc" ; float cvar_qc(time) ; cvar_qc:units = "V2" ; cvar_qc:long_name = "covariance of qc" ; float theta(time) ; theta:units = "degrees" ; theta:long_name = "rotation to wbar=0" ; float phi(time) ; phi:units = "degrees" ; phi:long_name = "rotation to vbar=0" ; float mean_rot_u(time) ; mean_rot_u:units = "m s-1" ; mean_rot_u:long_name = "rotated mean u" ; float mean_rot_v(time) ; mean_rot_v:units = "m s-1" ; mean_rot_v:long_name = "rotated mean v" ; float mean_rot_w(time) ; mean_rot_w:units = "m s-1" ; mean_rot_w:long_name = "rotated mean w" ; float var_rot_u(time) ; var_rot_u:units = "(m s-1)2" ; var_rot_u:long_name = "rotated variance u" ; float var_rot_v(time) ; var_rot_v:units = "(m s-1)2" ; var_rot_v:long_name = "rotated variance v" ; float var_rot_w(time) ; var_rot_w:units = "(m s-1)2" ; var_rot_w:long_name = "rotated variance w" ; float cvar_rot_uv(time) ; cvar_rot_uv:units = "(m s-1)2" ; cvar_rot_uv:long_name = "rotated covariance uv" ; float cvar_rot_uw(time) ; cvar_rot_uw:units = "(m s-1)2" ; cvar_rot_uw:long_name = "rotated covariance uw" ; float cvar_rot_vw(time) ; cvar_rot_vw:units = "(m s-1)2" ; cvar_rot_vw:long_name = "rotated covariance vw" ; float cvar_rot_ut(time) ; cvar_rot_ut:units = "m s-1 C" ; cvar_rot_ut:long_name = "rotated covariance ut" ; float cvar_rot_uq(time) ; cvar_rot_uq:units = "m s-1 V" ; cvar_rot_uq:long_name = "rotated covariance uq" ; float cvar_rot_uc(time) ; cvar_rot_uc:units = "m s-1 V" ; cvar_rot_uc:long_name = "rotated covariance uc" ; float cvar_rot_vt(time) ; cvar_rot_vt:units = "m s-1 C" ; cvar_rot_vt:long_name = "rotated covariance vt" ; float cvar_rot_vq(time) ; cvar_rot_vq:units = "m s-1 V" ; cvar_rot_vq:long_name = "rotated covariance vq" ; float cvar_rot_vc(time) ; cvar_rot_vc:units = "m s-1 V" ; cvar_rot_vc:long_name = "rotated covariance vc" ; float cvar_rot_wt(time) ; cvar_rot_wt:units = "m s-1 C" ; cvar_rot_wt:long_name = "rotated covariance wt" ; float cvar_rot_wq(time) ; cvar_rot_wq:units = "m s-1 V" ; cvar_rot_wq:long_name = "rotated covariance wq" ; float cvar_rot_wc(time) ; cvar_rot_wc:units = "m s-1 V" ; cvar_rot_wc:long_name = "rotated covariance wc" ; int nspk_unrot_u(time) ; nspk_unrot_u:units = "none" ; nspk_unrot_u:long_name = "number of out of range values and spikes of unrotated u; see \'min\',\'max\',\'spike_condition\' attributes of u" ; int nspk_unrot_v(time) ; nspk_unrot_v:units = "none" ; nspk_unrot_v:long_name = "number of out of range values and spikes of unrotated v; see \'min\',\'max\',\'spike_condition\' attributes of v" ; int nspk_unrot_w(time) ; nspk_unrot_w:units = "none" ; nspk_unrot_w:long_name = "number of out of range values and spikes of unrotated w; see \'min\',\'max\',\'spike_condition\' attributes of w" ; int nspk_t(time) ; nspk_t:units = "none" ; nspk_t:long_name = "number of out of range values and spikes of t; see \'min\',\'max\',\'spike_condition\' attributes of t" ; int nspk_q(time) ; nspk_q:units = "none" ; nspk_q:long_name = "number of out of range values and spikes of q; see \'min\',\'max\',\'spike_condition\' attributes of q" ; int nspk_c(time) ; nspk_c:units = "none" ; nspk_c:long_name = "number of out of range values and spikes of c; see \'min\',\'max\',\'spike_condition\' attributes of c" ; float mean_spk_unrot_u(time) ; mean_spk_unrot_u:units = "m s-1" ; mean_spk_unrot_u:long_name = "mean value of out of range values and spikes of unrotated u; -9999 if no spikes" ; float mean_spk_unrot_v(time) ; mean_spk_unrot_v:units = "m s-1" ; mean_spk_unrot_v:long_name = "mean value of out of range values and spikes of unrotated v; -9999 if no spikes" ; float mean_spk_unrot_w(time) ; mean_spk_unrot_w:units = "m s-1" ; mean_spk_unrot_w:long_name = "mean value of out of range values and spikes of unrotated w; -9999 if no spikes" ; float mean_spk_t(time) ; mean_spk_t:units = "degree C" ; mean_spk_t:long_name = "mean value of out of range values and spikes of t; -9999 if no spikes" ; float mean_spk_q(time) ; mean_spk_q:units = "mmol m-3" ; mean_spk_q:long_name = "mean value of out of range values and spikes of q; -9999 if no spikes" ; float mean_spk_c(time) ; mean_spk_c:units = "mmol m-3" ; mean_spk_c:long_name = "mean value of out of range values and spikes of c; -9999 if no spikes" ; float mean_p(time) ; mean_p:units = "kPa" ; mean_p:long_name = "mean value of IRGA pressure" ; float lat ; lat:units = "degrees" ; lat:long_name = "latitude of current site" ; float lon ; lon:units = "degrees" ; lon:long_name = "longitude of current site" ; float alt ; alt:units = "meters A.M.S." ; alt:long_name = "elevation of current site" ; float zm ; zm:units = "meters" ; zm:long_name = "height of instument from t" ; // global attributes: :site_id = "SGP" ; :facility_id = "C1" ; :sds_mode = "a1" ; :missing_value = "-9999" ; :irga_serial_number = "-9999" ; :sonic_serial_number = "-9999" ; :wind_gain = "0.01" ; :t_gain = "0.01" ; :h2o_offset = "0" ; :h2o_gain = "400" ; :co2_offset = "10" ; :co2_gain = "4" ; :sample_int = "0.12 seconds" ; :averaging_int = "30 minutes" ; :irga_default_lag = "0.30 seconds" ; :instruments = "Anemometer:Fill Windmaster Pro, IRGA: LICOR 7500" ; :collection_software = "Sonic" ; :contact_name = "Marc Fischer, LBNL, mlfischer@lbl.gov" ; :time_stamp_details = "The time stamp currently reflects the _start_ of the 30 minute sampling interval. " ; :PLEASE_READ_THIS = "For all publications and presentations, please acknowledge: \'U.S. Department of Energy as part of the Atmospheric Radiation Measurement Program.\' The automatic inclusion of a data originator as a co-author is not insisted upon in the ARM program, but the source of any data should be clearly recognized either as a co-author or through an appropriate acknowledgment. The ARM/LBNL Carbon Project contact for this data set is Marc Fischer (mlfischer@lbl.gov). Also please note that we may make adjustments to the data to incorporate adjustments to calibration scales or other issues. Users should contact Marc Fischer (mlfischer@lbl.gov) to inquire about planned data releases and revisions. Whenever possible, we would appreciate receiving preprints for publications that use the data to insure that the quality and limitations of the data are accurately represented. Your questions and comments are welcome." ; :history = "created by code sonica0toa1.c, version r15, with operating system RedHat Linux, kernel 2.4.18-18.7.x, i686 on Jul 21 2015, 10:27:26 GMT" ; }