Reconstruction of Hydrometeorological Data in Lake Urmia Basin by Frequency Domain Analysis Using Additive Decomposition

Babak Vaheddoost, Hafzullah Aksoy*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

Frequency domain analysis using an additive decomposition method is proposed to reconstruct the missing hydrometeorological data of selected sites in Lake Urmia basin in Iran. Precipitation, evaporation, streamflow and groundwater time series are used for this aim. Trends, within- and multi-year cycles, and randomness are taken into account to reconstruct each of the time series for which models are developed, calibrated and validated separately. Statistical similarity between the observed and reconstructed time series is checked. Statistical characteristics including the average, standard deviation, skewness, and the first-order autocorrelation coefficient are well preserved at the reconstructed time series. A conceptual water budget model is also established to check for the consistency between the reconstructed and the observed datasets. The water budget model is taken as a quantitative way to confirm that the frequency domain analysis using the additive decomposition is an effective method for the reconstruction of the missing hydrometeorological data based on the case study performed for the Lake Urmia basin in Iran.

Original languageEnglish
Pages (from-to)3899-3911
Number of pages13
JournalWater Resources Management
Volume33
Issue number11
DOIs
Publication statusPublished - 1 Sept 2019

Bibliographical note

Publisher Copyright:
© 2019, Springer Nature B.V.

Funding

This study is based on the PhD thesis of the leading author. It was supported by Research Fund of Istanbul Technical University, Project Number: 39016 - Modelling Studies with Statistical Approaches for Lake Urmia.

FundersFunder number
Istanbul Teknik Üniversitesi39016

    Keywords

    • Additive decomposition
    • Data reconstruction
    • Frequency domain analysis
    • Lake Urmia
    • Water budget

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