Journal
SENSORS
Volume 22, Issue 20, Pages -Publisher
MDPI
DOI: 10.3390/s22208062
Keywords
soil water content; soil salinity; time series; irrigation with reused water; infiltration
Funding
- Regione Puglia as the project Sistema innovativo di monitoraggio e trattamento delle acque reflue per il miglioramento della compatibilita ambientale ai fini di un'agricoltura sostenibile-SMART WATER [5ABY6P0]
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Time series modeling and forecasting are vital for planning water resources and managing irrigation tasks. This paper presents a 48-hour forecast of soil water content and salinity in a semi-arid environment, using soil and atmospheric data along with irrigation amount. The obtained prediction models show accurate and interpretable results.
Time series modeling and forecasting play important roles in many practical fields. A good understanding of soil water content and salinity variability and the proper prediction of variations in these variables in response to changes in climate conditions are essential to properly plan water resources and appropriately manage irrigation and fertilization tasks. This paper provides a 48-h forecast of soil water content and salinity in the peculiar context of irrigation with reclaimed water in semi-arid environments. The forecasting was performed based on (i) soil water content and salinity data from 50 cm beneath the soil surface with a time resolution of 15 min, (ii) hourly atmospheric data and (iii) daily irrigation amounts. Exploratory data analysis and data pre-processing phases were performed and then statistical models were constructed for time series forecasting based on the set of available data. The obtained prediction models showed good forecasting accuracy and good interpretability of the results.
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