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    Wyświetlanie 1-5 z 5
    Tytuł:
    Assessment of water physico-chemical characteristics and statistical evaluation of Narmada Estuarine Region, Gujarat, India
    Analiza i statystyczne opracowanie fizyczno-chemicznych właściwości wody z estuarium Narmada, Gujarat, Indie
    Autorzy:
    Nirmal Kumar, I. J.
    Basil, G.
    Nirmal Kumar, R.
    Sajish, P. R.
    Shailendra, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/292696.pdf
    Data publikacji:
    2012
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    analiza głównych składowych
    estuarium Narmada
    parametry fizyczno-chemiczne
    sezonowość
    statystyka wielowymiarowa
    multivariate statistics
    Narmada estuary
    physico-chemical parameters
    principal component analysis
    seasonality
    Opis:
    Investigations on physicochemical parameters (temperature, pH, salinity, dissolved oxygen), including dissolved nutrients (PO4-P, NO3-N, SiO4-Si) and chlorophyll-a were carried out in the water off the mouth of the Narmada estuary from July 2008 to June 2009. The multivariate statistics and principal component analysis applied to the datasets, indicated two factors during the whole study period influencing variability in the water to the extent of 72%. Principal axis factoring and alpha factoring have been used to observe the mode of association of parameters and their interrelationships, for evaluating water quality. The results indicated the addition of phosphates and silicates to the coastal water by the Narmada estuary from natural sources during study period. The study indicated that the Narmada estuary adds sufficiently well-oxygenated, nutrient-rich water to the coastal region.
    Analizę parametrów fizyczno-chemicznych (temperatura, pH, zasolenie, tlen rozpuszczony), stężenia pierwiastków biogennych (PO4-P, NO3-N, SiO4-Si) i chlorofilu prowadzono w wodach estuarium Narmada od lipca 2008 do czerwca 2009. Statystyka wielowymiarowa i analiza głównych składowych, zastosowana do zbioru wyników, wskazała dwa czynniki, które w 72% odpowiadały za zmienność składu chemicznego wody w całym okresie badań. Do oceny jakości wody zastosowano analizę czynnikową celem określenia powiązań między parametrami i ich wzajemnych zależności. Wyniki pokazały, że w okresie badawczym estuarium Narmada dostarczało do wód przybrzeżnych fosforany i krzemiany pochodzące z naturalnych źródeł. Przeprowadzone badania dowodzą, że estuarium Narmada zasila strefę brzegową w dobrze natlenione i bogate w pierwiastki biogenne wody.
    Źródło:
    Journal of Water and Land Development; 2012, no. 16 [I-VI]; 43-48
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Field trip in the semi-arid Gujarat Alluvial Plain : report
    Autorzy:
    Gębica, P.
    Wachecka-Kotkowska, L.
    Kotkowski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/294927.pdf
    Data publikacji:
    2017
    Wydawca:
    Stowarzyszenie Geomorfologów Polskich
    Tematy:
    bajada
    piedmont fan
    Gujarat Alluvial Plain
    Narmada River
    India
    Gudźarat
    Narmada
    Indie
    Opis:
    This report contains short information about the geomorphological field trip in the Gujarat Alluvial Plain. During the field trip the issues of fluvial landform and alluvial deposits of the rivers were discussed: Sabarmathi River, Mahi River, Narmada River and Karjan River. Particular attention was paid to the relief and geological structure of the Gujarat Alluvial Plain, dissected by the valleys of several rivers. The role of tectonics, sea level fluctuations and climate changes and their influence on the course of fluvial, aeolian and sea accumulation in the lower sections of river valleys was emphasized.
    Źródło:
    Landform Analysis; 2017, 35; 17-20
    1429-799X
    Pojawia się w:
    Landform Analysis
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Simulation of water cycle components in the Narmada River basin by forcing SWAT model with CFSR data
    Autorzy:
    Goswami, S. B.
    Kar, S. C.
    Powiązania:
    https://bibliotekanauki.pl/articles/108560.pdf
    Data publikacji:
    2018
    Wydawca:
    Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy
    Tematy:
    hydrologia
    dane
    CFSR
    symulacja
    cykl
    dorzecze
    rzeka Narmada
    hydrology
    water cycle
    SWAT
    CFSR data
    Opis:
    In the present study, an attempt has been made through a hydrological model (SWAT – Soil and Water Assessment Tool) to simulate water cycle components over the Narmada river basin, one of the largest rivers in the Indian peninsula. The model was forced with observed as well as CFSR rainfall data to calibrate surface runoff simulated by the model. The spatial and temporal variability of the water cycle components were examined by running the SWAT model for 30 years (1984-2013) at a daily time-scale using CFSR precipitation, temperature, humidity, winds and solar radiation. It was found that there are large variations in hydrological parameters simulated by the model from sub-basin to sub-basin and year to year. During the monsoon seasons, surface runoff is maximum but during other seasons, almost no surface runoff is seen as there is almost no rain. Groundwater increase is seen after about 1 month of rainfall peaks in the basin. Evapotranspiration has two peaks, one in March-April and the other in August. Much less evaporation takes place in the basin in the month of May. These components (other than surface runoff) are also sensitive to climatic forcing (winds, relative humidity and solar radiation in addition to temperature and rainfall) applied. Evapotranspiration increases when all the climatic parameters are used, which then reduces the water availability on the surface for percolation and groundwater recharge. However, rainfall is the key parameter which decides the hydrology in the Narmada basin. The SWAT model has been able to compute water balance at basin and sub-basin scales.
    Źródło:
    Meteorology Hydrology and Water Management. Research and Operational Applications; 2018, 6, 1; 13-25
    2299-3835
    2353-5652
    Pojawia się w:
    Meteorology Hydrology and Water Management. Research and Operational Applications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Digital payment system for economic sustainability. A case study of Gujarat Narmada Fertilizers and Chemicals Ltd in India
    Autorzy:
    Meghana, K.
    Tripathi, S. V.
    Powiązania:
    https://bibliotekanauki.pl/articles/392973.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    digital payment system (DPS)
    GNFC 100% Cashless Township
    UTAUT model
    economic sustainability
    system płatności eletronicznych
    model UTAUT
    zrównoważona gospodarka
    Opis:
    Digital payment system (DPS) is witnessing growth day by day, especially, in Asian and European countries. E-banking, electronic payment, cashless or less cash economy, digital economy, Digital payment system are all synonymously used to represent new technology in use. Many researchers have discussed about DPS practices leading to economic and sustainable development, its significance and challenges, factors for intention to use and adoption etc. This paper discusses implementation process of a 100% cashless township, created in India. With digitalization, one cannot rule out the ambiguity with issues like cyber security, digital identity and related policies, and hence we see people conveniently using both, cash and card system. But in India, once being tagged as fully digital village is switching back to the old all cash mode. So the much promising digital village initiatives have fallen flat. Hence this paper presents a case of a government company, which has fostered a responsible action in subordinating governments’ ‘Digital India program’. In 2016, GNFC has created first 100% Cashless Township in Gujarat, India, consisting of 5000 permanent residents and 10,000 floating population and still continue to transact in digital-only form. This sustainable model has been replicated to more than 100 townships across the country and is adoptable to rural areas to enable successful ‘Digital Villages‘. We also discuss the sustainable impact generated to the stakeholders in the township. We use primary data and secondary data to collect required information and use Unified Theory of Acceptance and Use of Technology (UTAUT) model to identify user adoption and acceptance factors in GNFC s digital-only mode of payment system.
    Źródło:
    Organizacja i Zarządzanie : kwartalnik naukowy; 2018, 4; 121-137
    1899-6116
    Pojawia się w:
    Organizacja i Zarządzanie : kwartalnik naukowy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dynamical properties of a modified chaotic Colpitts oscillator with triangular wave non-linearity
    Autorzy:
    Suresh, Rasappan
    Sathish Kumar, Kumaravel
    Regan, Murugesan
    Niranjan Kumar, K. A.
    Narmada Devi, R.
    Obaid, Ahmed J.
    Powiązania:
    https://bibliotekanauki.pl/articles/27312004.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    chaos
    Colpitts oscillator
    Lyapunov exponent
    diffusion
    stability
    synchronization
    triangular wave non-linearity
    Opis:
    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 chaotic systems exhibit chaotic behaviour. In this work, a new chaotic system with chaotic attractor is introduced for triangular wave non-linearity. It is worth noting that this striking phenomenon rarely occurs in respect of chaotic systems. The system proposed in this paper has been realized with numerical simulation. The results emanating from the numerical simulation indicate the feasibility of the proposed chaotic system. More over, chaos control, stability, diffusion and synchronization of such a system have been dealt with.
    Źródło:
    Archives of Control Sciences; 2023, 33, 1; 25--53
    1230-2384
    Pojawia się w:
    Archives of Control Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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