7 Hits in 8.1 sec

Dust Characteristics Observed by Unmanned Aerial Vehicle over the Taklimakan Desert

Chenglong Zhou, Yuzhi Liu, Qing He, Xinjie Zhong, Qingzhe Zhu, Fan Yang, Wen Huo, Ali Mamtimin, Xinghua Yang, Yu Wang, Lu Meng
2022 Remote Sensing  
of dust with different particle sizes was explored over the Taklimakan Desert (TD) during an intensive observation from 1 July 2021 to 31 July 2021.  ...  Based on observations from the Unmanned Aerial Vehicle (UAV) together with an environmental particulate matter analyzer (Grimm-180) and Global Positioning System (GPS) sounding balloons, the vertical structure  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs14040990 fatcat:xopewu6mtnfg3dnq27yrf3jpsa

Preliminary Selection and Characterization of Pseudo-Invariant Calibration Sites in Northwest China

Xiuqing Hu, Ling Wang, Junwei Wang, Lingli He, Lin Chen, Na Xu, Bingcheng Tao, Lu Zhang, Peng Zhang, Naimeng Lu
2020 Remote Sensing  
By combining the results of both methods, over thirty PICSs with a wider brightness range of the scene types were selected.  ...  Several stable PICS, such as those in the Sahara Desert in North Africa, were selected for the vicarious calibration of earth remote sensing satellites.  ...  Acknowledgments: The authors thank the NASA Level 1 and Atmosphere Archive & Distribution System Distributed Active Archive Center (LAADS DAAC) for providing the MODIS data (https://ladsweb.modaps.  ... 
doi:10.3390/rs12162517 fatcat:lhwlpuxscbcxdgcme3c65zfip4

Unmanned Aerial Vehicle Observations of the Vertical Distribution of Particulate Matter in the Surface Layer of the Taklimakan Desert in China

Lili Jin, Qing He, Hong Jiang, Junan Xiao, Quanwei Zhao, Sasa Zhou, Zhenjie Li, Jiawei Zhao
2020 Atmosphere  
Field observations made with unmanned aerial vehicles of the particulate matter (PM) concentration from the ground to a height of 500 m were conducted at Xiaotang and Tazhong in the Taklimakan Desert (  ...  During floating dust periods, the boundary layer was dominated by fine particles.  ...  15 November 2019 using unmanned aerial vehicles (UAVs).  ... 
doi:10.3390/atmos11090980 fatcat:vzhri7767rexboh7e5hst3p2le

Retrievals of dust-related particle mass and ice-nucleating particle concentration profiles with ground-based polarization lidar and sun photometer over a megacity in central China

Yun He, Yunfei Zhang, Fuchao Liu, Zhenping Yin, Yang Yi, Yifan Zhan, Fan Yi
2021 Atmospheric Measurement Techniques  
, indicating dust aerosols from these two sources are also possibly involved in the dust events observed over Wuhan.  ...  The c250,d for Wuhan is 27 % larger than that observed at Lanzhou SACOL (36.0∘ N, 104.1∘ E), a site closer to the Gobi Desert, and tends to be closer to those observed in North Africa and the Middle East  ...  Marinou et al. (2019) compared the INPC profiles retrieved by lidar observation with those measured by unmanned aerial vehicles (UAVs).  ... 
doi:10.5194/amt-14-5939-2021 fatcat:a5d4746l75asnm5cqvxlfcqygq

Machine Learning Applications for Earth Observation [chapter]

David J. Lary, Gebreab K. Zewdie, Xun Liu, Daji Wu, Estelle Levetin, Rebecca J. Allee, Nabin Malakar, Annette Walker, Hamse Mussa, Antonio Mannino, Dirk Aurin
2018 Earth Observation Open Science and Innovation  
The major focus of machine learning is to extract information from data automatically by computational and statistical methods.  ...  Over the last decade there has been considerable progress in developing a machine learning methodology for a variety of Earth Science applications involving trace gases, retrievals, aerosol products, land  ...  The UAVSAR's (Unmanned Aerial Vehicle SAR) significantly greater signal-tonoise ratio and finer spatial resolution allowed successful pattern discrimination related to a combination of oil slick thickness  ... 
doi:10.1007/978-3-319-65633-5_8 fatcat:wlcihu3u5ndpxo4wshsqnuqybu

The ARM Mobile Facilities

M. A. Miller, K. Nitschke, T. P. Ackerman, W. R. Ferrell, N. Hickmon, M. Ivey
2016 Meteorological Monographs  
Lamb whose seminal efforts during the first AMF1 international deployment in West Africa helped pave the way for the future success of the AMF program.  ...  The authors also wish to express their deep appreciation to the technicians, instrument mentors, scientists, and all other members of the ARM community who have made the AMF program what it is today.  ...  Prototype of an Unmanned Aerial Vehicle that was deployed with AMF3. 9.12 ).  ... 
doi:10.1175/amsmonographs-d-15-0051.1 fatcat:p4ucbd3rwnf3vod3nreuri32n4

Abstracts from the Astrobiology Science Conference 2004

2004 International Journal of Astrobiology  
I will examine recent fi ndings in cosmology and their implications for the emergence of life in the universe and the ultimate fate of life.  ...  (iv) The possibility of time-varying constants of nature. (v) The question of the potential rarity of intelligent life.  ...  Comparison Between The Organics Found In Interplanetary Dust Particles And Those Made By Experimental Simulations Of Ice Processing In The Interstellar Medium Acknowledgements One of us, G.M.M.C., was  ... 
doi:10.1017/s1473550404001648 fatcat:7edgphlk6bb2xf73w3rrb2vc3m