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Data generation processes for spatial series: the example of ephemeral channel form
journal contribution
posted on 2023-06-08, 12:22 authored by Carol AlexanderCarol Alexander, H M RendellRecently developed techniques for time series analysis are applied to channel width and slope series collected in small ephemeral channels in Southern Italy. Tests for the difference between trend and difference stationarity, although developed in the field of econometrics, are found to be more suitable for data generation processes in geomorphology, where physical causes of deterministic trends are evident. These tests are important because the modeling of causal flows and development of dynamic predictive models depends on the type of data generation process that is identified. The ephemeral channel data exhibit trend stationarity and the results of spectral analysis and vector autoregression analysis of detrended channel width and slope data are described.
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Publication status
- Published
Journal
Geographical AnalysisISSN
0016-7363Publisher
Wiley-BlackwellIssue
1Volume
27Page range
78-93Department affiliated with
- Business and Management Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-09-25Usage metrics
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