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High-Frequency and Low-Frequency Variability in Stochastic Daily Weather Generator and Its Effect on Agricultural and Hydrologic Modelling

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43210%2F04%3A00000152" target="_blank" >RIV/62156489:43210/04:00000152 - isvavai.cz</a>

  • Alternative codes found

    RIV/68378289:_____/04:00106982

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    High-Frequency and Low-Frequency Variability in Stochastic Daily Weather Generator and Its Effect on Agricultural and Hydrologic Modelling

  • Original language description

    The high frequency and low frequency variabilities, which are often misreproduced by the daily weather generators, have a significant effect on modelling weather dependent processes. Three modifications are suggested to improve the reproduction of the both variabilities in a four variate daily weather generator Met&Roll: (i) inclusion of the annual cycle of lag0 and lag1 correlations among solar radiation, maximum temperature and minimum temperature, (ii) use of the 3rd order Markov chain to model precipitation occurrence, (iii) applying the monthly generator (based on a first order autoregressive model) to fit the low frequency variability. The tests are made to examine the effects of the three new features on (i) a stochastic structure of the synthetic series, and on (ii) outputs from CERES-Wheat crop model (crop yields) and SAC-SMA rainfall-runoff model (monthly streamflow characteristics, distribution of 5 day streamflow) fed by the synthetic weather series. The results are compare

  • Czech name

    Vysokofrekvenční a nízkofrekvenční variabilita v generátoru meteorologických dat a její dopad na zemědělské a hydrologické modelování

  • Czech description

    Publikace je zaměřena na vysoko a nízkou frekvenční variabilitu v stochastickém generátoru meteorologických dat a její dopady na simulace v oblasti hydrologických a růstových modelů.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    GC - Plant growing, crop rotation

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2004

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Climatic Change

  • ISSN

    0165-0009

  • e-ISSN

  • Volume of the periodical

    63

  • Issue of the periodical within the volume

    1-2

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    35

  • Pages from-to

    145-179

  • UT code for WoS article

  • EID of the result in the Scopus database