EARLINET
Variables
The table below lists the variables that are present in the HARP product that results from an ingestion of EARLINET
data.
field name |
type |
dimensions |
unit |
description |
---|---|---|---|---|
datetime |
double |
{time} |
[seconds since 2000-01-01] |
time of measurement |
datetime_length |
double |
{time} |
[s] |
length of the measurement |
latitude |
double |
[degrees] |
latitude |
|
longitude |
double |
[degrees] |
longitude |
|
sensor_altitude |
double |
[m] |
sensor altitude |
|
viewing_zenith_angle |
double |
[degrees] |
viewing zenith angle |
|
wavelength |
double |
[nm] |
wavelength |
|
altitude |
double |
{vertical} |
[m] |
altitude |
dust_aerosol_top_height |
double |
{time} |
[m] |
dust layer top height |
backscatter_coefficient |
double |
{time, vertical} |
[1/(m*sr)] |
backscatter coefficient |
backscatter_coefficient_uncertainty |
double |
{time, vertical} |
[1/(m*sr)] |
backscatter coefficient uncertainty |
extinction_coefficient |
double |
{time, vertical} |
[1/m] |
extinction coefficient |
extinction_coefficient_uncertainty |
double |
{time, vertical} |
[1/m] |
extinction coefficient uncertainty |
H2O_mass_mixing_ratio |
double |
{time, vertical} |
[g/kg] |
water mass mixing ratio |
H2O_mass_mixing_ratio_uncertainty |
double |
{time, vertical} |
[g/kg] |
water mass mixing ratio uncertainty |
index |
int32 |
{time} |
zero-based index of the sample within the source product |
Mapping description
The table below details where and how each variable was retrieved from the input product.
field name |
mapping description |
|
---|---|---|
datetime |
condition |
variable ‘Time’ available |
path |
/Time |
|
description |
converted from seconds sinds 1970 to seconds since 2000 |
|
condition |
variable ‘Time’ unavailable |
|
path |
/@StartDate, /@StartTime_UT, /@StopTime_UT |
|
description |
convert yymmdd encoded integer value for StartDate to seconds since 2000; convert hhmmss encoded integer values for StartTime_UT and StopTime_UT to time-of-day values; use: date + (start_time + stop_time) / 2 |
|
datetime_length |
available |
optional |
condition |
variable ‘Time’ unavailable |
|
path |
/@StartTime_UT, /@StopTime_UT |
|
description |
convert ‘hhmmss’ encoded integer values for StartTime_UT and StopTime_UT to time-of-day values; use: stop_time - start_time |
|
latitude |
path |
/@Latitude_degrees_north |
longitude |
path |
/@Longitude_degrees_east |
sensor_altitude |
path |
/@Altitude_meter_asl |
viewing_zenith_angle |
path |
/@ZenithAngle_degrees |
wavelength |
path |
/@DetectionWavelength_nm |
altitude |
path |
/Altitude |
dust_aerosol_top_height |
available |
optional |
path |
/DustLayerHeight |
|
backscatter_coefficient |
available |
optional |
path |
/Backscatter |
|
backscatter_coefficient_uncertainty |
available |
optional |
path |
/ErrorBackscatter |
|
extinction_coefficient |
available |
optional |
path |
/Extinction |
|
extinction_coefficient_uncertainty |
available |
optional |
path |
/ErrorExtinction |
|
H2O_mass_mixing_ratio |
available |
optional |
path |
/WaterVaporMixingRatio |
|
H2O_mass_mixing_ratio_uncertainty |
available |
optional |
path |
/ErrorWaterVapor |