Results 21 to 30 of about 941 (199)

Heat treatment of the coal layer by microwave energy: an analytical study in conditions of heat removal of II and III order

Известия Томского политехнического университета: Инжиниринг георесурсов, 2016
Relevance of the research is caused by the need of developing the atmosphere remote sensing methods and systems for real-time monitoring of the environment. The main aim of the study is to develop the methodology of planning and carrying out laser remote
Oleg Anatolievich Romanovskii, Sergey Aleksandrovich Sadovnikov, Alexander Yakovlevich Sukhanov, Olga Viktorivna Kharchenko, Semyon Vladimirovich Yakovlev   +4 more
doaj   +2 more sources

Development of water vapor DIAL and comparison with Raman lidar [PDF]

EPJ Web of Conferences
Vertical profile measurements of water vapor are important for improving early prediction accuracy of heavy rainfall. Developing a low-maintenance lidar is expected to establish an extensive lidar observation network to reduce water-related hazards such ...
Uchiho Yuichi, Matsuki Kazuto, Takeuchi Eiji, Hasegawa Toshikazu   +3 more
doaj   +1 more source

Accuracy Evaluation of Differential Absorption Lidar for Ozone Detection and Intercomparisons with Other Instruments

Remote Sensing
Differential absorption lidar is an advanced tool for investigating tropospheric ozone transport and development. High-quality differential absorption lidar data are the basis for studying the temporal and spatial evolution of ozone pollution.
Guangqiang Fan, Bowen Zhang, Tianshu Zhang, Yibin Fu, Chenglei Pei, Shengrong Lou, Xiaobing Li, Zhenyi Chen, Wenqing Liu   +8 more
doaj   +1 more source

Advances in Diode-Laser-Based Water Vapor Differential Absorption Lidar

EPJ Web of Conferences, 2016
An advanced diode-laser-based water vapor differential absorption lidar (WV-DIAL) has been developed. The next generation design was built on the success of previous diode-laser-based prototypes and enables accurate measurement of water vapor closer to ...
Spuler Scott, Repasky Kevin, Morley Bruce, Moen Drew, Weckwerth Tammy, Hayman Matt, Nehrir Amin   +6 more
doaj   +1 more source

Differential Absorption Lidar (DIAL) Measurements of Landfill Methane Emissions

Remote Sensing, 2017
Methane is one of the most important gaseous hydrocarbon species for both industrial and environmental reasons. Understanding and quantifying methane emissions to atmosphere is therefore an important element of climate change research.
Fabrizio Innocenti, Rod Robinson, Tom Gardiner, Andrew Finlayson, Andy Connor   +4 more
doaj   +1 more source

Local-Scale Horizontal CO₂ Flux Estimation Incorporating Differential Absorption Lidar and Coherent Doppler Wind Lidar

Remote Sensing, 2022
A micro-pulse lidar system incorporating differential absorption lidar (DIAL) and coherent Doppler wind lidar (CDWL) is proposed and demonstrated. Due to the high signal-to-noise ratio (SNR) of the superconducting nanowire single-photon detector (SNSPD),
Bin Yue, Saifen Yu, Manyi Li, Tianwen Wei, Jinlong Yuan, Zhen Zhang, Jingjing Dong, Yue Jiang, Yuanjian Yang, Zhiqiu Gao, Haiyun Xia   +10 more
doaj   +1 more source

Mixed layer height retrievals using MicroPulse Differential Absorption Lidar [PDF]

Atmospheric Measurement Techniques
Accurate measurement of the mixed layer height (MLH) is a key observational capability necessary for many studies in weather forecasting, air quality assessment, and surface-atmosphere exchange.
L. Colberg, K. S. Repasky, M. Hayman, R. A. Stillwell, S. M. Spuler   +4 more
doaj   +1 more source

Lidar sensing of ozone in the upper troposphere - lower stratosphere: technique and results of measurements

Известия Томского политехнического университета: Инжиниринг георесурсов, 2019
Prediction of atmospheric ozone layer, which is the valuable and irreplaceable geo asset, is currently the important scientific and engineering problem. The relevance of the research is caused by the necessity to develop laser remote methods for sensing ...
Vladimir Burlakov, Sergey Dolgii, Alexey Nevzorov, Alexey Nevzorov, Oleg Romanovskii, Olga Kharchenko   +5 more
doaj   +2 more sources

Field tests of the mobile lidar for tropospheric ozone sensing on horizontal (inclined) and vertical paths [PDF]

E3S Web of Conferences
The results of field tests of the mobile lidar for ozone sensing on horizontal (inclined) and vertical paths are presented. The lidar operates on the basis of the differential absorption and scattering method at wavelengths of 299/341 nm and allows ...
Nevzorov Alexey, Tuzhilkin Dmitry, Nevzorov Aleksey   +2 more
doaj   +1 more source

First Steps of Maturation Towards Space of Nested Cavity Optical Parametric Oscillator and Amplifiers for DIAL Based on Periodically Poled Nonlinear Materials [PDF]

EPJ Web of Conferences, 2020
We report on the first steps of maturation towards space of a nested cavity optical parametric oscillator and amplifiers, based on periodically poled nonlinear materials, emitting in the 2µm range for multi species differential absorption lidar (DIAL).
Dherbecourt Jean-Baptiste, Melkonian Jean-Michel, Lebat Vincent, Tanguy Nicolas, Duzellier Sophie, Blanchard Cedric, Coetzee Rian S., Canalias Carlota, Pasiskevicius Valdas, Godard Antoine, Raybaut Myriam   +10 more
doaj   +1 more source