A comprehensive study of different feature selection methods and machine-learning techniques for SODAR structure classification

N Kumar, K Soni, R Agarwal - Modeling Earth Systems and Environment, 2021 - Springer
Sonic detection and ranging (SODAR) echogram provides atmospheric boundary layer
(ABL) structure and its height. In the present research, highly accurate and reliable machine …

Sodar image segmentation by fuzzy c-means

DP Mukherjee, P Pal, J Das - Signal Processing, 1996 - Elsevier
Sodar facsimile records provide meteorological information of the atmospheric boundary
layer (ABL). Segmentation of sodar image (digitised sodar record) is vital for subsequent …

Indigenous Development of Acoustic Sounder (SODAR) in India as an Upgraded Technology for Environmental Protection: A Review

AS Naira, K Soni, P Singh, N Kumar, P Chourey… - 2022 - nopr.niscpr.res.in
Sound Detection and Ranging (SODAR) has moved to the forefront of consumer technology
due to the pressing need to engage the Atmospheric Boundary Layer (ABL) in …

Continuous detection of atmospheric patterns from SODAR signals

P Pal, A Mukherjee, S Acharya, J Das - Signal processing, 1999 - Elsevier
One major aspect of atmospheric pattern analysis from SODAR signals is to identify the
pattern of the atmospheric boundary layer (ABL). In the present work, we attempt continuous …

Estimation of atmospheric boundary layer using Kalman filter technique

A Mukherjee, PP Adhikari, PK Nandi, P Pal, J Das - Signal processing, 2002 - Elsevier
Sodar provides round-the-clock information about the atmospheric boundary layer (ABL).
However, computer-based extraction of relevant ABL information from sodar data calls for …

Exploring fractal features in the mixing height zone of planetary boundary layer from observed sodar data

S Roy, A Mukherjee - Remote sensing letters, 2014 - Taylor & Francis
Remote sensing techniques are applied to sodar data for providing information regarding
the planetary boundary layer. The temperature inhomogeneity that results from convective …

Adaptive design for estimation of mixing heights from sodar based measurements

A Mukherjee, P Pal - Fluctuation and Noise Letters, 2006 - World Scientific
Accurate estimation of mixing height is important, since it is an important parameter for lower
atmospheric studies involving aerosol monitoring and pollutant dispersal models. Sodar …

Boundary extraction of sodar images

N Chatterjee, P Pal, J Das - Signal processing, 1997 - Elsevier
Sound radars provide valuable information on the characteristic patterns of atmospheric
boundary layer (ABL). The ABLs are, however, often corrupted and broken due to various …

Exploring the Dynamics of Capped Inversion from Sodar Data

S Roy, A Mukherjee - Fluctuation and Noise Letters, 2012 - World Scientific
The time evolution of planetary boundary layer can be studied from sodar data. Normally
most of the sound wave transmitted above gets backscattered from a single inversion layer …