4 a, clearly indicate an increasing trend of carbon dioxide in all parts of Iran.
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Satellite observation of atmospheric CO<sub>2</sub> and water storage change over Iran.
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The sentences
A similar analysis of EWH anomaly showed a decreasing trend over the whole of Iran.
On the other hand, the time series of CO 2 concentration shows a positive trend of 2.1 ppm/yr for the same time period.
The time series of EWH anomaly shows a negative trend of 13.6 mm/y between 2003 and 2015.