Search Results - "Niranjan Kumar, K."

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  1. 1

    Precipitation variability over UAE and global SST teleconnections by Niranjan Kumar, K., Ouarda, T. B. M. J.

    “…The present study investigates the role of equatorial Pacific sea surface temperatures (SSTs) on the precipitation variability over the United Arab Emirates…”
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    Evolution of the rainfall regime in the United Arab Emirates by Ouarda, T.B.M.J., Charron, C., Niranjan Kumar, K., Marpu, P.R., Ghedira, H., Molini, A., Khayal, I.

    Published in Journal of hydrology (Amsterdam) (01-06-2014)
    “…•Rainfall series in the UAE are analyzed for detection of trends and change points.•The modified M–K test is applied for the assessment of the significance of…”
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  3. 3

    Cascaded Compositional Residual Learning for Complex Interactive Behaviors by Kumar, K. Niranjan, Essa, Irfan, Ha, Sehoon

    Published in IEEE robotics and automation letters (01-08-2023)
    “…Real-world autonomous missions often require rich interaction with nearby objects, such as doors or switches, along with effective navigation. However, such…”
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  4. 4

    A study of vertical cloud structure of the Indian summer monsoon using CloudSat data by Rajeevan, M., Rohini, P., Niranjan Kumar, K., Srinivasan, J., Unnikrishnan, C. K.

    Published in Climate dynamics (01-02-2013)
    “…Precise specification of the vertical distribution of cloud optical properties is important to reduce the uncertainty in quantifying the radiative impacts of…”
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  5. 5

    Wintertime precipitation variability over the Arabian Peninsula and its relationship with ENSO in the CAM4 simulations by Niranjan Kumar, K., Ouarda, T. B. M. J., Sandeep, S., Ajayamohan, R. S.

    Published in Climate dynamics (01-10-2016)
    “…The climate variability on Earth is strongly influenced by the changes in the Sea Surface Temperature (SST) anomalies in the tropical oceans. More…”
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    Low-mid latitude D region ionospheric perturbations associated with 22 July 2009 total solar eclipse: Wave-like signatures inferred from VLF observations by Maurya, Ajeet K., Phanikumar, D. V., Singh, Rajesh, Kumar, Sushil, Veenadhari, B., Kwak, Y.-S., Kumar, Abhikesh, Singh, Abhay K., Niranjan Kumar, K.

    “…We present first report on the periodic wave‐like signatures (WLS) in the D region ionosphere during 22 July 2009 total solar eclipse using JJI, Japan, very…”
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  8. 8

    Analysis of large-amplitude stratospheric mountain wave event observed from the AIRS and MLS sounders over the western Himalayan region by Niranjan Kumar, K., Ramkumar, T. K., Krishnaiah, M.

    “…Mountain waves in the stratosphere have been observed over elevated topographies using both nadir‐looking and limb‐viewing satellites. However, the…”
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  9. 9

    Unusual enhancement in tropospheric and surface ozone due to orography induced gravity waves by Phanikumar, D.V., Niranjan Kumar, K., Bhattacharjee, S., Naja, M., Girach, I.A., Nair, Prabha R., Kumari, Shweta

    Published in Remote sensing of environment (15-09-2017)
    “…In this study, we investigate the causative processes responsible for the observed enhancement in the tropospheric and surface ozone during December 09–11,…”
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  10. 10

    Modulation of surface meteorological parameters by extratropical planetary-scale Rossby waves by Niranjan Kumar, K., Phanikumar, D. V., Ouarda, T. B. M. J., Rajeevan, M., Naja, M., Shukla, K. K.

    Published in Annales geophysicae (1988) (25-01-2016)
    “…This study examines the link between upper-tropospheric planetary-scale Rossby waves and surface meteorological parameters based on the observations made in…”
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  11. 11

    Mesosphere-stratosphere-troposphere radar observations of characteristics of lower atmospheric high-frequency gravity waves passing through the tropical easterly jet by Ramkumar, T. K., Niranjan kumar, K., Mehta, Sanjay K.

    “…In this study, we have examined the characteristics of high‐frequency gravity waves (5–50 min periodicity) over a tropical region using the…”
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    Characteristics of inertia-gravity waves over Gadanki during the passage of a deep depression over the Bay of Bengal by Niranjan Kumar, K., Ramkumar, T. K.

    Published in Geophysical research letters (01-07-2008)
    “…Using MST Radar located at the Indian tropical station of Gadanki (13.5°N, 79.2°E; near the eastern coast of India), studies have been made on the…”
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  14. 14

    Signatures of Rossby wave modulations in aerosol optical depth over the central Himalayan region by Phanikumar, D. V., Niranjan Kumar, K., Shukla, K. K., Joshi, H., Venkat Ratnam, M., Naja, M., Reddy, K.

    Published in Annales geophysicae (1988) (21-02-2014)
    “…Long-period modulations are shown in aerosol optical depth measured by the Microtops II Sun photometer over a high-altitude site the central Himalayan region…”
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  15. 15

    Dynamical properties of a modified chaotic Colpitts oscillator with triangular wave non-linearity by Suresh, Rasappan, Sathish Kumar, Kumaravel, Regan, Murugesan, Niranjan Kumar, K A, Narmada Devi, R, Obaid, Ahmed J

    Published in Archives of control sciences (01-01-2023)
    “…The purpose of this paper is to introduce a new chaotic oscillator. Although different chaotic systems have been formulated by earlier researchers, only a few…”
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  16. 16

    On the linkage of mesospheric planetary waves with those of the lower atmosphere and ionosphere: A case study from Indian low latitudes by Niranjan Kumar, K., Taori, A., Sathishkumar, S., Kamalakar, V., Ghodpage, R., Gurubaran, S., Patil, P. T., Rao, S. V. B., Patra, A. K.

    “…In this paper we study the planetary‐scale wave features using concurrent observations of mesospheric wind and temperature, ionospherich'F, and tropospheric…”
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  17. 17

    Assessment of nitrate contamination due to groundwater pollution in north eastern part of Anantapur District, A.P. India by Reddy, A. G. S, Niranjan Kumar, K, Subba Rao, D, Sambashiva Rao, S

    “…The north eastern part of Anantapur district is in the state of Andhra Pradesh, India, is significant as it is covered by varied geological formations and has…”
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    Wave like signatures in aerosol optical depth and associated radiative impacts over the central Himalayan region by Shukla, K.K., Phanikumar, D.V., Kumar, KNiranjan, Reddy, Kishore, Kotamarthi, V.R., Newsom, Rob K., Ouarda, Taha B.M.J.

    “…Doppler Lidar and Multi-Filter Rotating Shadowband Radiometer (MFRSR) observations are utilized to show wave like signatures in aerosol optical depth (AOD)…”
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    MST radar observation of inertia-gravity waves generated from tropical cyclones by Niranjan Kumar, K., Ramkumar, T.K., Krishnaiah, M.

    “…Using a Mesosphere Stratosphere Troposphere (MST) radar, operating at 53 MHz at Gadanki (13.5°N, 79.2°E), India, the present study reports on the temporal and…”
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    A case study on the vertical distribution and characteristics of aerosols using ground-based raman lidar, satellite and model over Western India by Saha, Sourita, Sharma, Som, Kumar, K. Niranjan, Kumar, Prashant, Joshi, Vaidehi, Georgoussis, George, Lal, S.

    Published in International journal of remote sensing (02-09-2021)
    “…Ahmedabad is an urban site in western region of India. Dust loading and its variability are very high over this semi-arid location. A state-of-the-art…”
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