Diurnal and seasonal variability of TKE dissipation rate in the ABL over a tropical station using UHF wind profiler

Physics

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

3

Scientific paper

This paper presents the diurnal and seasonal variation of Turbulence Kinetic Energy (TKE) dissipation rate (ɛ) in the Atmospheric Boundary-Layer (ABL) over a tropical station, Gadanki (13.5° N, 79.2° E) in India. Doppler spectral width measurements made by Lower Atmospheric Wind Profiler (LAWP) operating at 1357 MHz are utilized to estimate ɛ in the height region of 0.5 4.0 km on clear air days. Various non-turbulent spectral broadenings are calculated and separated out from the observed spectral width before estimating ɛ. It is found that in the lower tropospheric height region ɛ is in the range from 10-5.0 to 10-1.0 m2 s-3. ɛ showed significant diurnal variation in the boundary-layer. The larger values of ɛ, 10 2.7 m2 s-3, are noted to be associated with the Convective Boundary-Layer (CBL). The parameter ɛ is also showing significant seasonal variation. In summer and monsoon seasons the boundary-layer depths are observed up to a height of ˜4.0 km while the same are confined to below 2.0 km in post-monsoon and winter seasons.

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

Diurnal and seasonal variability of TKE dissipation rate in the ABL over a tropical station using UHF wind profiler does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Diurnal and seasonal variability of TKE dissipation rate in the ABL over a tropical station using UHF wind profiler, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Diurnal and seasonal variability of TKE dissipation rate in the ABL over a tropical station using UHF wind profiler will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-1083315

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.