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Impact of convection and stability parameters on lightning activity over Andhra Pradesh, India

Wybrane pełne teksty z tego czasopisma
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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
This paper brings out the interconnection of fash rate density (FRD) with convection and stability parameters over Andhra Pradesh (AP), India. The convection parameters include rainfall, relative humidity, specifc humidity, surface air temperature (SAT) and air temperature (at 850 mb). The stability parameters include convective available potential energy (CAPE), lifted index, K-index, total totals index (TTI), humidity index and total precipitable water. Both convective and stability parameters indicate good correlation with lightning activity. SAT and AT 850 mb have shown good correlations with lightning, which is a clear indication of interaction between warm air and dry air. CAPE and TTI have shown strong positive correlation with lightning activity. The correlation coefcient between FRD and CAPE is 0.81. We have also studied the infuence of convective and stability parameters during lightning and no lightning activity. Later, we also attempted the estimation of lightning activity by using artifcial neural network model. By using convection and stability parameters, six learning algorithms were used for training the artifcial neural network. Scaled conjugate gradient backpropagation training algorithm has given the better estimation, whereas resilient backpropagation training algorithm has shown the poor estimation of FRD.
Czasopismo
Rocznik
Strony
1845--1866
Opis fizyczny
Bibliogr. 35 poz.
Twórcy
autor
  • Department of Atmospheric Science, Koneru Lakshmaiah Education Foundation, Vaddeswaram 522502, India
  • Department of Atmospheric Science, Koneru Lakshmaiah Education Foundation, Vaddeswaram 522502, India
autor
  • Atmospheric and Oceanic Sciences, Space Applications Centre (SAC), Ahmedabad 380023, India
  • Atmospheric and Oceanic Sciences, Space Applications Centre (SAC), Ahmedabad 380023, India
autor
  • Department of Physics, Andhra Loyola College, Vijayawada 520008, India
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-e70cceb2-b4f1-4576-aeb2-7c36e3a13e3b
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