1석사과정생, 국립부경대학교 지구환경시스템과학부, 부산광역시 남구 용소로 45, 48513, 대한민국
2조교수, 국립부경대학교 지구환경시스템과학부, 부산광역시 남구 용소로 45, 48513, 대한민국
1Master Student, Division of Earth Environmental System Sciences, Pukyong National University, 45 Yongso-ro, Nam-gu, 48513 Busan, South Korea
2Assistant Professor, Division of Earth and Environmental System Sciences, Pukyong National University, 45 Yongso-ro, Nam-gu, 48513 Busan, South Korea
Copyright © 2024 GeoAI Data Society
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Conflict of Interest
On behalf of all authors, the corresponding author states that there is no conflict of interest.
Funding Information
This work was supported by a Research Grant of Pukyong National University (2023).
Data Availability Statement
The data that support the findings of this study are openly available in DataON at https://doi.org/10.22711/idr/1017.
Year | Number of observations |
---|---|
2019 | 34 |
2020 | 65 |
2021 | 72 |
2022 | 63 |
2023 | 10 |
Total | 244 |
Sort | *Title | Subcategory#1 | Subcategory#2 |
---|---|---|---|
Essential | Field | Refined GEDI Level-2A Database Construction: Focused on Gyeonggi Province, Republic of Korea | |
*DOI name | https://doi.org/10.22711/idr/1017 | ||
*Category | Geoscientific information | ||
Abstract | |||
*Temporal | 2019/4/22 to 2023/02/14 | ||
Coverage | |||
*Spatial | Gyeonggi Province, Republic of Korea | ||
Coverage | WGS84 Coordinates | Point | |
*Personnel | Name | Seung-Kuk Lee | |
Affiliation | Pukyong National University | ||
seungkuk.lee@pknu.ac.kr | |||
*CC License | CC BY-NC | ||
Optional | *Project | Research Grant of Pukyong National University (2023) | |
*Instrument | Global Ecosystem Dynamics Investigation |
Year | Number of observations |
---|---|
2019 | 34 |
2020 | 65 |
2021 | 72 |
2022 | 63 |
2023 | 10 |
Total | 244 |
File unit | Explanation |
---|---|
GEDI02_A | Product short name |
2019108 | Julian date of acquisition in YYYYDDD |
185228 | Hours, minutes and seconds of acquisition (HHMMSS) |
O01971 | O: orbit, 01971: orbit number |
03 | Sub-orbit granule number (1-4) |
T00922 | T: track, 00922: track number |
02 | Positioning and pointing determination system (PPDS) type (00: predict, 01: rapid, 02 and higher is final) |
003 | Product generation executable (PGE) version number |
01 | Granule production version |
V002 | Land Processes Distributed Active Archive Center (LP DAAC) release number |
Laser beams before filtering | Sensitivity filter | Quality_flag filter | Solar_elevation filter | Surface_flag filter | Final selected laser beams | |
---|---|---|---|---|---|---|
Number | 2,327,540 | -1,308,293 | -358,221 | -280,160 | -20,677 | 360,189 |
Proportion (%) | 100.00 | 43.79 | 28.40 | 16.36 | 15.48 | 15.48 |
Number | Label | Data type | Description |
---|---|---|---|
1 | quality_flag | UINT8 | Classify all beams as '1' for reliable beams and '0' for unreliable beams based on metrics |
2 | surface_flag | UINT8 | Indicated as '1' if the height difference between DEM or mean sea surface (MSS) and elev_lowestmode is 300 m or less |
3 | quality_flag_aN | UINT8 | Beams validated as reliable by the N algorithm are indicated as '1', otherwise '0' |
4 | sensitivity | FLOAT32 | Energy data returned after passing through dense canopy is represented (sensitivity >0.98 is indicated as '1', otherwise '0') |
5 | degrade_flag | UINT8 | Performance degradation of location data is indicated |
6 | rx_assess_flag | UINT16 | Rx_assess_flag: error data of the received waveform is indicated |
7 | ocean_calibration_shot_flag | UINT8 | Information on whether the waveform data collected over the ocean is used |
8 | stale_return_flag | UINT8 | Detailed information of the waveform data is indicated |
9 | rx_gflag | UINT8 | Indicates the state of the Gaussian distribution |
10 | rx_algrunflag_aN | UINT8 | Received signal data detected by the N algorithm is indicated |
11 | selected_mode_flag | UINT8 | The status information of selected_mode is indicated |
BEAM_NUMBER | DELTA_TIME | LONGITUDE | LATITUDE |
---|---|---|---|
5 | 110480439.89 | 127.49 | 37.83 |
6 | 147794837.28 | 127.00 | 37.44 |
8 | 153344559.08 | 126.72 | 37.92 |
3 | 158614537.02 | 127.33 | 37.41 |
6 | 111160587.75 | 127.30 | 38.07 |
2 | 57356186.69 | 127.24 | 37.86 |
5 | 92315729.62 | 127.19 | 37.03 |
8 | 130625128.00 | 127.10 | 37.11 |
11 | 160909437.59 | 127.28 | 37.43 |
11 | 116965437.67 | 127.14 | 37.29 |
2 | 116625271.19 | 127.27 | 37.73 |
11 | 59930794.97 | 127.49 | 37.52 |
5 | 57356188.52 | 127.34 | 37.91 |
11 | 97075421.51 | 126.92 | 37.65 |
2 | 69680974.69 | 126.97 | 37.89 |
6 | 126570271.83 | 127.38 | 37.42 |
5 | 69680976.41 | 127.06 | 37.94 |
6 | 130625133.20 | 127.42 | 37.34 |
6 | 116965437.29 | 127.15 | 37.30 |
HIGHEST | LOWEST | DEM | SRTM | RH50 | RH90 | RH95 | RH98 | RH100 |
---|---|---|---|---|---|---|---|---|
196.41 | 179.75 | 177.61 | 171.84 | 8.95 | 13.22 | 14.23 | 15.20 | 16.66 |
72.54 | 61.20 | 61.72 | 57.99 | 5.33 | 8.32 | 9.03 | 9.81 | 11.34 |
77.65 | 54.83 | 66.13 | 61.34 | 6.10 | 16.74 | 18.99 | 20.60 | 22.81 |
317.18 | 303.67 | 310.86 | 317.67 | 3.48 | 10.10 | 11.53 | 12.54 | 13.51 |
219.30 | 195.57 | 204.75 | 211.41 | 10.36 | 20.28 | 21.44 | 22.38 | 23.73 |
260.48 | 243.51 | 243.42 | 238.29 | 10.61 | 14.38 | 15.06 | 15.77 | 16.96 |
73.33 | 68.91 | 66.37 | 68.74 | -0.26 | 1.75 | 2.32 | 2.95 | 4.41 |
108.75 | 87.03 | 105.41 | 90.44 | 3.63 | 14.12 | 16.97 | 19.21 | 21.72 |
324.85 | 302.76 | 309.39 | 310.54 | 9.28 | 17.14 | 19.24 | 20.89 | 22.09 |
167.25 | 149.83 | 149.79 | 152.38 | 2.54 | 14.42 | 15.13 | 15.91 | 17.41 |
348.36 | 320.23 | 336.43 | 317.38 | 14.97 | 22.20 | 25.35 | 27.11 | 28.12 |
209.46 | 192.19 | 191.08 | 189.91 | 7.86 | 13.21 | 14.26 | 15.38 | 17.26 |
403.30 | 379.93 | 396.48 | 387.50 | 2.84 | 17.12 | 19.02 | 20.82 | 23.36 |
51.00 | 46.66 | 46.84 | 50.75 | -0.11 | 1.68 | 2.17 | 2.73 | 4.34 |
141.52 | 137.10 | 135.08 | 134.83 | 0.07 | 2.09 | 2.69 | 3.33 | 4.42 |
294.60 | 286.93 | 304.01 | 306.75 | 0.07 | 3.59 | 4.75 | 5.91 | 7.66 |
119.21 | 107.67 | 100.31 | 97.99 | 0.26 | 7.04 | 8.46 | 9.73 | 11.53 |
467.58 | 446.41 | 455.94 | 451.92 | 1.49 | 14.79 | 17.53 | 19.25 | 21.16 |
238.29 | 216.34 | 215.44 | 219.39 | 14.27 | 18.42 | 19.40 | 20.30 | 21.94 |
Quality flag | Surface flag | Quality flag_aN | Sensitivity | Degrade_flag | Rx_assessflag | Ocean_calibration_shot flag | Stalereturn_flag | Rx_g flag | Rx_ algrun_flag | Selected_ mode_flag |
---|---|---|---|---|---|---|---|---|---|---|
1.00 | 1.00 | 1.00 | 0.99 | 0.00 | 0.00 | 1.00 | 0.00 | 2.00 | 1.00 | NaN |
1.00 | 1.00 | 1.00 | 0.96 | 0.00 | 0.00 | 1.00 | 0.00 | 1.00 | 1.00 | NaN |
1.00 | 1.00 | -1.00 | 0.98 | 0.00 | -1.00 | -1.00 | -1.00 | 1.00 | -1.00 | NaN |
1.00 | 1.00 | 0.00 | 0.95 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | NaN |
1.00 | 1.00 | 1.00 | 0.98 | 0.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | NaN |
1.00 | 1.00 | 1.00 | 0.97 | 0.00 | 0.00 | 0.00 | 0.00 | 2.00 | 1.00 | NaN |
1.00 | 1.00 | 1.00 | 0.97 | 0.00 | 0.00 | 1.00 | 0.00 | 1.00 | 1.00 | NaN |
1.00 | 1.00 | -1.00 | 0.98 | 0.00 | -1.00 | -1.00 | -1.00 | 1.00 | -1.00 | NaN |
1.00 | 1.00 | -1.00 | 0.96 | 0.00 | -1.00 | -1.00 | -1.00 | -1.00 | -1.00 | NaN |
1.00 | 1.00 | -1.00 | 0.95 | 0.00 | -1.00 | -1.00 | -1.00 | -1.00 | -1.00 | NaN |
1.00 | 1.00 | 1.00 | 0.96 | 1.00 | 512.00 | 0.00 | 0.00 | 1.00 | 1.00 | NaN |
1.00 | 1.00 | -1.00 | 0.97 | 0.00 | -1.00 | -1.00 | -1.00 | -1.00 | -1.00 | NaN |
1.00 | 1.00 | 1.00 | 0.99 | 0.00 | 0.00 | 1.00 | 0.00 | 1.00 | 1.00 | NaN |
1.00 | 1.00 | -1.00 | 0.97 | 0.00 | -1.00 | -1.00 | -1.00 | -1.00 | -1.00 | NaN |
1.00 | 1.00 | 1.00 | 0.95 | 5.00 | 0.00 | 0.00 | 0.00 | 2.00 | 1.00 | NaN |
1.00 | 1.00 | 1.00 | 0.98 | 0.00 | 0.00 | 1.00 | 0.00 | 1.00 | 1.00 | NaN |
1.00 | 1.00 | 1.00 | 0.97 | 5.00 | 0.00 | 1.00 | 0.00 | 1.00 | 1.00 | NaN |
1.00 | 1.00 | 1.00 | 0.96 | 0.00 | 0.00 | 1.00 | 0.00 | 1.00 | 1.00 | NaN |
1.00 | 1.00 | 1.00 | 0.97 | 0.00 | 0.00 | 1.00 | 0.00 | 1.00 | 1.00 | NaN |
Sort | *Title | Subcategory#1 | Subcategory#2 |
---|---|---|---|
Essential | Field | Refined GEDI Level-2A Database Construction: Focused on Gyeonggi Province, Republic of Korea | |
*DOI name | |||
*Category | Geoscientific information | ||
Abstract | |||
*Temporal | 2019/4/22 to 2023/02/14 | ||
Coverage | |||
*Spatial | Gyeonggi Province, Republic of Korea | ||
Coverage | WGS84 Coordinates | Point | |
*Personnel | Name | Seung-Kuk Lee | |
Affiliation | Pukyong National University | ||
seungkuk.lee@pknu.ac.kr | |||
*CC License | CC BY-NC | ||
Optional | *Project | Research Grant of Pukyong National University (2023) | |
*Instrument | Global Ecosystem Dynamics Investigation |
GEDI, Global Ecosystem Dynamics Investigation.
GEDI, Global Ecosystem Dynamics Investigation.
GEDI, Global Ecosystem Dynamics Investigation.
GEDI, Global Ecosystem Dynamics Investigation; DEM, digital elevation model; SRTM, shuttle radar topography mission.
GEDI, Global Ecosystem Dynamics Investigation.
GEDI, Global Ecosystem Dynamics Investigation; DEM, digital elevation model; SRTM, shuttle radar topography mission; RH, relative height.
GEDI, Global Ecosystem Dynamics Investigation.