Technical and application development study of space-borne LiDAR in forestry remote sensing

Chunyu Yue; Yongchao Zheng; Yanqiu Xing; Yong Pang; Shiming Li; Longtao Cai; Hongyan He

doi:10.3788/IRLA20200235

Infrared and Laser Engineering, Volume. 49, Issue 11, 20200235(2020)

Technical and application development study of space-borne LiDAR in forestry remote sensing

Chunyu Yue1...2, Yongchao Zheng1,3,*, Yanqiu Xing4, Yong Pang5, Shiming Li5, Longtao Cai4, and Hongyan He12 |Show fewer author(s)

Author Affiliations

¹Beijing Institute of Space Mechanics & Electricity, Beijing 100094, China

²Beijing Key Laboratory of Advanced Optical Remote Sensing Technology, Beijing 100094, China

³Key Laboratory for Space Laser Information Perception Technology, China Academy of Space Technology, Beijing 100094, China

⁴Center of Forest Operation and Environment, Northeast Forestry University, Harbin 150040, China

⁵Research Institute of Forest Resource Information Techniques, Beijing 100091, China

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Figures & Tables(12)

Fig. 1. Different LiDAR data for forestry retrieval

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Fig. 2. GLAS in-orbit^[7]

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Fig. 3. Sampling on the ground of GEDI^[5]

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Fig. 4. Products of GEDI^[5]

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Fig. 5. Footprint of MOLI^[6]

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Fig. 6. Slope estimation^[6]

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Fig. 7. Footprint of ICESat-2/ATLAS in orbit^[22]

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Table 1.
ICESat/GLAS Parameters
ICESat/GLAS参数
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Table 1.
ICESat/GLAS Parameters
ICESat/GLAS参数
Parameters Details
Orbit 600
Operating frequency/Hz 40
Working beam number 1
Wavelength/nm 1064/532
Ranging accuracy/m 0.3
Footprint diameter/m 70
Distance between footprint/m 170

Table 2.
ICESat-GLAS products
ICESat-GLAS数据产品
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Table 2.
ICESat-GLAS products
ICESat-GLAS数据产品
Product level Data Standard product
Level 0 Original data
Level 1 1A product：satellite engineering data GLA01-GLA04
1B product：raw LiDAR data GLA05-GLA07
Level 2 Application data GLA08-GLA15

Table 3.
GEDI parameters
GEDI 参数
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Table 3.
GEDI parameters
GEDI 参数
Parameters Details
Orbit/km 370-460
Operating frequency/Hz 242
Working beam number 4
Wavelength/nm 1 064
Footpint diameter/m 25
Distance between footprint/m 600/60

Table 4.
MOLI parameters
MOLI参数
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Table 4.
MOLI parameters
MOLI参数
Parameters Value
Orbit/km 400
Operating frequency/Hz 150
Working beam number 2
Wavelength/nm 1 064
Height accuracy/m 3
Footpint diameter/m 25
Distance between footprint/m 50/15

Table 5.
ICESat-ATLAS parameters
ICESat-ATLAS参数
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Table 5.
ICESat-ATLAS parameters
ICESat-ATLAS参数
Parameters Value
Orbit/km 500
Operating frequency/Hz 10 000
Working beam number 6
Wavelength/nm 532
Height accuracy/m 0.24
Footprint diameter/m 17
Distance between footprint 2.3 km/90 m/0.7 m

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Chunyu Yue, Yongchao Zheng, Yanqiu Xing, Yong Pang, Shiming Li, Longtao Cai, Hongyan He. Technical and application development study of space-borne LiDAR in forestry remote sensing[J]. Infrared and Laser Engineering, 2020, 49(11): 20200235

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