Citation:

PANGAEA.921707

Name: Hemispherical-directional reflectance factor (HDRF) of snow surfaces retrieved from airborne camera measurements in Antarctica during austral summer in 2013/14 (flight ANT_1401023702)
Published: 2020-08-18
License: https://creativecommons.org/licenses/by/4.0/
Keywords: anisotropy; BRDF; camera observations; HDRF; reflectance; remote sensing; snow; snow grain size; snow surface roughness

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Keyword(s):

anisotropy; BRDF; camera observations; HDRF; reflectance; remote sensing; snow; snow grain size; snow surface roughness

Project(s):

Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas (SPP1158)

Funding:

German Research Foundation (DFG), grant/award no. 5472008 : Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas

Coverage:

Median Latitude: -73.289393 * Median Longitude: -7.552160 * South-bound Latitude: -75.034778 * West-bound Longitude: -9.830017 * North-bound Latitude: -70.502142 * East-bound Longitude: 0.055804

Date/Time Start: 2014-01-02T14:25:00 * Date/Time End: 2014-01-02T17:58:00

Minimum HEIGHT above ground: 83.1962424 m * Maximum HEIGHT above ground: 360.2712632 m

Event(s):

ANT_1401023702 * Latitude Start: -70.671350 * Longitude Start: -8.280850 * Latitude End: -75.000950 * Longitude End: 0.061800 * Date/Time Start: 2014-01-02T14:25:00 * Date/Time End: 2014-01-02T17:58:00 * Campaign: (P6-189_ANTR_2013_2014, VELMAP_2013, FIL2013) * Basis: POLAR 6 * Method/Device: Aircraft (AC)

Comment:

Missing data: -9.0

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Date/Time of event	Date/Time
2	Time in seconds	Time	s	Carlsen, Tim		second of day
3	LONGITUDE	Longitude		Carlsen, Tim	Internal Navigation System	Geocode
4	LATITUDE	Latitude		Carlsen, Tim	Internal Navigation System	Geocode
5	HEIGHT above ground	Height	m	Carlsen, Tim	Internal Navigation System	Geocode
6	Surface elevation	Surf elev	m	Helm, Veit	Airborne Laserscanner (ALS) RIEGL VQ580
7	Aircraft velocity	Aircraft vel	m/s	Carlsen, Tim
8	Footprint size	Footprint	m	Carlsen, Tim	Calculated	radius of disc in m
9	Flag	Flag		Carlsen, Tim		aircraft attitude (0=okay, 1=do not use)
10	Solar zenith angle	SZA	deg	Carlsen, Tim	Calculated
11	Specific surface area, snow	SSA snow	m²/kg	Carlsen, Tim	Spectral modular airborne radiation measurement system (SMART)
12	Surface roughness	Roughness	m	Helm, Veit	Airborne Laserscanner (ALS) RIEGL VQ580
13	Weight function	Weight		Carlsen, Tim	Digital camera	f_iso Channel 0 (602 nm)
14	Weight function	Weight		Carlsen, Tim	Digital camera	f_vol Channel 0 (602 nm)
15	Weight function	Weight		Carlsen, Tim	Digital camera	f_geo Channel 0 (602 nm)
16	Root mean square error	RMS		Carlsen, Tim	Calculated	RMSE Channel 0 (602 nm)
17	Weight of determination	WoD		Carlsen, Tim	Calculated	WoD f_iso Channel 0 (602 nm)
18	Weight of determination	WoD		Carlsen, Tim	Calculated	WoD f_vol Channel 0 (602 nm)
19	Weight of determination	WoD		Carlsen, Tim	Calculated	WoD f_geo Channel 0 (602 nm)
20	Weight function	Weight		Carlsen, Tim	Digital camera	f_iso Channel 1 (538 nm)
21	Weight function	Weight		Carlsen, Tim	Digital camera	f_vol Channel 1 (538 nm)
22	Weight function	Weight		Carlsen, Tim	Digital camera	f_geo Channel 1 (538 nm)
23	Root mean square error	RMS		Carlsen, Tim	Calculated	RMSE Channel 1 (538 nm)
24	Weight of determination	WoD		Carlsen, Tim	Calculated	WoD f_iso Channel 1 (538 nm)
25	Weight of determination	WoD		Carlsen, Tim	Calculated	WoD f_vol Channel 1 (538 nm)
26	Weight of determination	WoD		Carlsen, Tim	Calculated	WoD f_geo Channel 1 (538 nm)
27	Weight function	Weight		Carlsen, Tim	Digital camera	f_iso Channel 2 (470 nm)
28	Weight function	Weight		Carlsen, Tim	Digital camera	f_vol Channel 2 (470 nm)
29	Weight function	Weight		Carlsen, Tim	Digital camera	f_geo Channel 2 (470 nm)
30	Root mean square error	RMS		Carlsen, Tim	Calculated	RMSE Channel 2 (470 nm)
31	Weight of determination	WoD		Carlsen, Tim	Calculated	WoD f_iso Channel 2 (470 nm)
32	Weight of determination	WoD		Carlsen, Tim	Calculated	WoD f_vol Channel 2 (470 nm)
33	Weight of determination	WoD		Carlsen, Tim	Calculated	WoD f_geo Channel 2 (470 nm)
34	Number of observations	NOBS	#	Carlsen, Tim		HDRF pictures used for averaging
35	Number of observations	NOBS	#	Carlsen, Tim		SSA measurements used for averaging
36	Number of observations	NOBS	#	Carlsen, Tim		ALS measurements used for averaging

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Size:

11552 data points

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