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  1. Article ; Online: POLYMORPHISMS IN GPX5 GENE AND ITS ASSOCIATION WITH PRODUCTION AND REPRODUCTION TRAITS IN NIANG MEGHA PIGS OF EASTERN HIMALAYA

    Rakesh Kumar / G. Kadirvel / Gautam Khargharia / Sourabh Deori / Sunil Doley / Meena Das / N. Uttam Singh / Mahak Singh / K. K. Baruah / V. K. Mishra

    Exploratory Animal and Medical Research, Vol 11, Iss 2, Pp 145-

    2022  Volume 151

    Abstract: ... with reproduction and production traits in Niang Megha pigs. Genomic DNA was extracted and genotyping was performed ...

    Abstract The glutathione peroxidase 5 gene (GPX5) is closely associated with the Major Histocompatibility Complex (MHC), which directly affects the reproductive traits in swine. The study was aimed to investigate polymorphism and find out associations between individual genotypes of the glutathione peroxidase 5 (GPX5) gene with reproduction and production traits in Niang Megha pigs. Genomic DNA was extracted and genotyping was performed using PCR-RFLP technique. Polymorphisms at the Intron 1 of the GPX5 gene were determined by using PCR-RFLP with HinfI restriction enzyme and DNA sequencing analyses. Two alleles and three genotypes were identified by HinfI digestion of the GPX5 gene. In the SNP-HinfI (g.1896A>G) locus did not find a significant association between GPX5 polymorphism with reproduction and production traits. However, the least square mean (LSM) values for the genotype GG demonstrated superior litter size and body weight as compared to AA and AG genotypes in the studied population. These findings emphasize the importance of the porcine GPX5 gene in the performance traits of pig. Therefore, the porcine GPX5 gene may be used as a potential candidate gene for the genetic improvement of litter size traits in the pig breeding industry
    Keywords niang megha pig ; gpx5 ; polymorphism ; reproductive trait ; productive trait ; Veterinary medicine ; SF600-1100
    Subject code 630
    Language English
    Publishing date 2022-01-01T00:00:00Z
    Publisher West Bengal Veterinary Alumni Association
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

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  2. Article: Megha-Tropiques: mission planning, analysis, and operations

    Vijayasree, P / Kumar, Naresh / Karidhal, Ritu / Harendranath, K / Kesava Raju, V / Shivakumar, S.K

    International journal of remote sensing. 2014 July 18, v. 35, no. 14

    2014  

    Abstract: ... of climatic events are less accurate. The Megha-Tropiques mission, an ISRO-CNES (Indian Space Research ... energy exchanges in the tropics, and use the data in climate and meteorology models. Megha-Tropiques is part ... mission simulations, launch and early-orbit operations, and the on-orbit operational guidelines for Megha ...

    Abstract Climate in the tropics is primarily influenced by variations in energy and water budget exchanges in the land/ocean/atmosphere systems. The interaction of these systems with the general atmospheric circulation is still not fully understood – one of the reasons why weather forecasts and predictions of climatic events are less accurate. The Megha-Tropiques mission, an ISRO-CNES (Indian Space Research Organisation–Centre National d’Etudes Spatiales) collaborative programme, aims to study water cycle and energy exchanges in the tropics, and use the data in climate and meteorology models. Megha-Tropiques is part of the Global Precipitation Measurement Mission, which is an international network of satellites. Of the four payloads on board, MADRAS is jointly developed by ISRO and the French space agency, CNES; SAPHIR and SCARAB completely by CNES; and GPS-ROSA is obtained from TAS-I (Thales Alenia Space Italia, Milan, Italy). GPS-ROSA supplements the geophysical parameters of the other payloads for atmosphere modelling. Mission planning involved integrating and interrelating the efforts of space and ground systems in realizing the operational system that provides the satellite-based science data meeting the turnaround time (TAT). Pre-launch simulations involved usage of a software simulator as a tool for network tests, training of spacecraft operation personnel, and validating the spacecraft health-monitoring software. The required operations were performed to characterize the payloads as well as to calibrate the various attitude sensors of the spacecraft. This paper summarizes mission planning and analysis aiding spacecraft configuration, pre-launch mission simulations, launch and early-orbit operations, and the on-orbit operational guidelines for Megha-Tropiques.
    Keywords atmospheric circulation ; computer software ; energy ; geophysics ; guidelines ; human resources ; hydrologic cycle ; meteorology ; models ; planning ; prediction ; remote sensing ; satellites ; tropics ; water balance ; weather ; India ; Italy
    Language English
    Dates of publication 2014-0718
    Size p. 5370-5383.
    Publishing place Taylor & Francis
    Document type Article
    ZDB-ID 1497529-4
    ISSN 1366-5901 ; 0143-1161
    ISSN (online) 1366-5901
    ISSN 0143-1161
    DOI 10.1080/01431161.2014.926412
    Database NAL-Catalogue (AGRICOLA)

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  3. Article: Direct observations of the multi-year seasonal mean diurnal variations of TOA cloud radiative forcing over tropics using Megha-Tropiques-ScaRaB/3

    Gupta, Ashok Kumar / Rajeev, K / Davis, Edwin V / Mishra, Manoj Kumar / Nair, Anish Kumar M

    Climate dynamics. 2020 Dec., v. 55, no. 11-12

    2020  

    Abstract: ... inclination Megha-Tropiques satellite. The largest LWCRF (60–80 Wm⁻²) occurs over the oceanic regions ...

    Abstract Diurnal variation of cloud radiative forcing (CRF) is a major factor that controls the global radiation balance. This study presents multi-year seasonal mean diurnal variations of longwave cloud radiative forcing (LWCRF) and daytime shortwave cloud radiative forcing (SWCRF) at the top of atmosphere over tropics, derived from the broadband radiation measurements made by ScaRaB/3 onboard the low-inclination Megha-Tropiques satellite. The largest LWCRF (60–80 Wm⁻²) occurs over the oceanic regions of the east equatorial Indian Ocean and the western Pacific during all seasons, as well as the South Pacific Convergence Zone, the northeast Bay of Bengal, Amazon region, central and southern Africa and north Indian landmass (monsoon trough) during the local summer. Diurnal variations of 15–25 Wm⁻² in LWCRF (20–35% of the mean) are observed with peak values occurring at 18–21 local time (LT) over continents and 00–06 LT over oceans. The minimum LWCRF occurs at 09–12 LT throughout the tropics. Over convective regions, SWCRF maximizes at 12–15 LT (− 220 to − 300 Wm⁻²) and has a higher magnitude over continents due to early convection occurrence, indicating the importance of diurnal phase. Certain specific features including the CRF associated with the double inter-tropical convergence zone, day-night changes in net CRF, and the effect of El Ni[Formula: see text]o on CRF are also presented. The net CRF and its zonal variations are strikingly similar during the normal and El Ni[Formula: see text]o periods because the changes in LWCRF and SWCRF are mutually compensated.
    Keywords convection ; diurnal variation ; dynamics ; monsoon season ; satellites ; summer ; Amazonia ; Bay of Bengal ; Indian Ocean ; Southern Africa
    Language English
    Dates of publication 2020-12
    Size p. 3289-3306.
    Publishing place Springer Berlin Heidelberg
    Document type Article
    Note NAL-AP-2-clean
    ZDB-ID 1471747-5
    ISSN 1432-0894 ; 0930-7575
    ISSN (online) 1432-0894
    ISSN 0930-7575
    DOI 10.1007/s00382-020-05441-w
    Database NAL-Catalogue (AGRICOLA)

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  4. Article: Spatial and temporal variability of deep convective clouds over the tropics using multi-year Megha - Tropiques – Sondeur Atmosphérique du Profil d’Humidité Intertropicale par Radiométrie (SAPHIR) observations

    Samuel, Sisma / Mathew, Nizy / Mishra, Manoj Kumar / Renju, R

    International journal of remote sensing. 2021 July 03, v. 42, no. 13

    2021  

    Abstract: ... par Radiométrie (SAPHIR) payload, aboard the Megha-Tropiques (MT) satellite for the period 2011 ...

    Abstract Multi-year seasonal mean diurnal variation of the occurrence frequency of Deep Convective Clouds (DCCs) over the tropical belt for various climatic regions including land and ocean are studied, using Level-1 brightness temperature () data from Sondeur Atmosphérique du Profil d’Humidité Intertropicale par Radiométrie (SAPHIR) payload, aboard the Megha-Tropiques (MT) satellite for the period 2011 to 2018. The low inclination orbit of MT which provides the measurements at different local times makes the study of the diurnal cycle of DCCs possible from a single platform over the entire tropics. The spatial and temporal distribution of DCCs are derived for different seasons including measurements at all possible local time (LT) unlike measurements from a payload aboard polar-orbiting satellites. The seasonal variation of DCCs is in concurrence with the position of sun with maximum occurrence frequency in the summer months of the respective hemisphere. The largest occurrence of DCCs are found over the west Pacific and the northeast Bay of Bengal with a maximum occurrence frequency of around 4.0% during Northern Hemispheric summer. Central African landmasses, the South Pacific Convergence Zone, and the Amazon region also show a higher occurrence during their summer seasons. From the occurrence frequency maps, different regions are identified to estimate the seasonal mean diurnal variation of those regions. Over the continental regions, convective activity peaks during 15:00 to 18:00 LT and over the open ocean it peaks during 00:00 to 06:00 LT. Similarly, the convective activity is minimum over the oceanic region during 12:00 to 18:00 LT and over the land during 06:00 to 12:00 LT. The specific features associated with the distribution of DCC such as double Inter-Tropical Convergence Zone (ITCZ), the mean zonal diurnal variation of DCCs, the effect of El-Niño, the role of surface temperature and surface wind convergence on the occurrence of DCC are also presented.
    Keywords diurnal variation ; satellites ; seasonal variation ; summer ; surface temperature ; wind ; Amazonia ; Bay of Bengal
    Language English
    Dates of publication 2021-0703
    Size p. 5172-5189.
    Publishing place Taylor & Francis
    Document type Article
    Note NAL-AP-2-clean
    ZDB-ID 1497529-4
    ISSN 1366-5901 ; 0143-1161
    ISSN (online) 1366-5901
    ISSN 0143-1161
    DOI 10.1080/01431161.2021.1910368
    Database NAL-Catalogue (AGRICOLA)

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  5. Article: Impact of Megha-Tropiques SAPHIR radiances in T574L64 global data assimilation and forecasting system at NCMRWF

    Singh, Sanjeev Kumar / V. S. Prasad

    International journal of remote sensing. 2017 Aug. 18, v. 38, no. 16

    2017  

    Abstract: The Sounder for Probing Vertical Profiles of Humidity (SAPHIR) is a sounding instrument of Megha ...

    Abstract The Sounder for Probing Vertical Profiles of Humidity (SAPHIR) is a sounding instrument of Megha-Tropiques (Indo-French joint satellite); launched by the Indian Space Research Organization on 12 October 2011 with six channels near the absorption band of water vapour at 183 GHz. In the framework of this work, the assimilation scheme has been first modified to enable the SAPHIR radiance observations being used as additional observation type, and second, a methodology has been prepared to remove the radiance pixels significantly affected by clouds. The impact of SAPHIR radiances on analysis as well as forecasts of the National Centre for Medium Range Weather Forecasting-Global Forecast System (NGFS) at T574L64 resolution has been investigated through data assimilation. Measurements from SAPHIR are incorporated into the Gridpoint Statistical Interpolation three-dimensional variational assimilation system to provide the improved initial conditions. To find out the impact, analysis/forecast cycling experiments with and without SAPHIR radiances are performed during the period 10–29 November 2013. The impact of the improvement in term of root mean square error has been clearly evaluated for five parameters, namely, relative humidity, temperature, wind, geopotential height, and specific humidity. It is demonstrated that the assimilation of SAPHIR observations results in a considerable improvement for the five parameters over the global region. During the study period, two tropical cyclones (HELEN, 19–22 November and LEHAR, 23–28 November) were formed over the North Indian Ocean. Impact on specific humidity and track forecast errors of tropical cyclone are also examined. Overall, initial results show the usefulness of SAPHIR radiances in the NGFS.
    Keywords absorption ; hurricanes ; relative humidity ; remote sensing ; satellites ; temperature ; water vapor ; wind ; Indian Ocean
    Language English
    Dates of publication 2017-0818
    Size p. 4587-4610.
    Publishing place Taylor & Francis
    Document type Article
    ZDB-ID 1497529-4
    ISSN 1366-5901 ; 0143-1161
    ISSN (online) 1366-5901
    ISSN 0143-1161
    DOI 10.1080/01431161.2017.1323279
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  6. Article: Layer average relative humidity from SAPHIR on board Megha-Tropiques: validation with numerical model analyses

    Kumar, Prashant / Deb, S. K / Gangwar, R. K / Simon, B / Pal, P. K

    International journal of remote sensing. 2014 July 3, v. 35, no. 13

    2014  

    Abstract: ... Radiométrie (SAPHIR) sensor on board the Megha-Tropiques satellite on 12 October 2011 from Satish Dhawan Space ... parameters. The Megha-Tropiques is a joint satellite mission executed by the Indian Space Research ...

    Abstract Subsequent to the launch of the Sondeur Atmosphérique du Profil d’Humidité Intertropicale par Radiométrie (SAPHIR) sensor on board the Megha-Tropiques satellite on 12 October 2011 from Satish Dhawan Space Centre, Indian Space Research Organization (ISRO), Shriharikota, India, the validation of layer averaged relative humidity (LARH) retrieved from SAPHIR has been initiated in different phases along with other retrieved parameters. The Megha-Tropiques is a joint satellite mission executed by the Indian Space Research Organization (ISRO) and the Centre National d’Etudes Spatiales (CNES), and is primarily devoted to study the tropical atmospheric processes influencing both weather and climate. The present study focuses on a validation campaign, where the validation of LARH derived from SAPHIR is carried out with three different numerical model analyses: the European Centre for Medium Range Weather Forecasts (ECMWF) model, the National Centers for Environmental Prediction (NCEP) model, and the National Centre for Medium Range Weather Forecasting (NCMRWF) model, over a period of six months from January 2013 to June 2013. It is observed that the root mean square difference (RMSD) of LARH has improved considerably for layers 1, 2, 3, and 6, and some marginal changes for layers 4 and 5, when a bias correction is applied to the data. The RMSD of SAPHIR LARH after correcting for bias is well within the range of the mission goal of 20% accuracy.
    Keywords climate ; mathematical models ; prediction ; relative humidity ; remote sensing ; research management ; weather forecasting ; India
    Language English
    Dates of publication 2014-0703
    Size p. 4839-4851.
    Publishing place Taylor & Francis
    Document type Article
    ZDB-ID 1497529-4
    ISSN 1366-5901 ; 0143-1161
    ISSN (online) 1366-5901
    ISSN 0143-1161
    DOI 10.1080/01431161.2014.930204
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  7. Book: Megha-dūta of Kālidāsa

    Kālidāsa / De, Sushil Kumar / Radhakrishnan, S / Raghavan, Veṅkaṭarāma

    1970  

    Author's details Crit. ed. by Sushil Kumar De
    Language English
    Size Getr. Zählung, 8"
    Edition 2. rev. ed. by V[eṅkaṭarāma] Raghavan. With a general introd. by S. Radhakrishnan
    Publisher Sahitya Akademi
    Publishing place New Delhi
    Document type Book
    Database Former special subject collection: coastal and deep sea fishing

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  8. Book: The Megha-dūta of Kālids̄a

    Kālidāsa / Radhakrishnan, S / Sushil Kumar De, Sushil Kumar

    1957  

    Author's details critically ed. by Sushil Kumar De. With a general introd. by S. Radhakrishnan
    Language English ; Sanskrit
    Size 115 p
    Edition 1st ed
    Publisher Sahitya Akademi
    Publishing place New Delhi
    Document type Book
    Database Former special subject collection: coastal and deep sea fishing

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  9. Article ; Online: Pavithran Nose Sign.

    Tiwari, Dinesh Kumar / Goyal, Megha

    Journal of cutaneous medicine and surgery

    2023  Volume 27, Issue 5, Page(s) 543

    Language English
    Publishing date 2023-08-21
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1361720-5
    ISSN 1615-7109 ; 1203-4754
    ISSN (online) 1615-7109
    ISSN 1203-4754
    DOI 10.1177/12034754231194246
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Mapping of Genomic Regions for Biochemical and Physiological Parameters Contributing Towards Drought Tolerance in Horsegram (Macrotyloma uniflorum (Lam.) Verdc.).

    Katoch, Megha / Chahota, Rakesh Kumar

    Applied biochemistry and biotechnology

    2024  

    Abstract: Horsegram (Macrotyloma uniflorum (Lam.) Verdc.) is a drought hardy legume which can be grown in varied soil and temperature regimes. Though it has numerous, nutritive and medicinal benefits, it still lags behind other legumes in terms of genomic ... ...

    Abstract Horsegram (Macrotyloma uniflorum (Lam.) Verdc.) is a drought hardy legume which can be grown in varied soil and temperature regimes. Though it has numerous, nutritive and medicinal benefits, it still lags behind other legumes in terms of genomic resources and genetic improvement. This crop is mostly cultivated on marginal and drought-prone area; thus, genetics of drought stress tolerance can be understood by studying the various drought parameters. To get insight, quantitative trait loci for drought-tolerant traits were identified using an intraspecific mapping population of 162 F
    Language English
    Publishing date 2024-02-23
    Publishing country United States
    Document type Journal Article
    ZDB-ID 392344-7
    ISSN 1559-0291 ; 0273-2289
    ISSN (online) 1559-0291
    ISSN 0273-2289
    DOI 10.1007/s12010-024-04858-x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Zs.A 3053: Show issues Location:
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