Across Australia the water cycle is broken. Extreme events, hot days, floods, droughts have increased. The pattern and nature of rainfall has changed. Particularly of the winter rain. What has caused this change, and it is not Greenhouse Gases, it is how water is held on the land which causes the loss of the small or local water cycle. This directly relates to how we have managed agricultural land in the last 30 years. The science of landscape hydration and the process of reversal is discussed. Particularly attention will be paid to the process of the impact of biology on the intensity and amount of rain.
Landscape rehydration has occurred both here and around the world. Lessons from these examples are presented with particularly regard to their biogeomorphological impact on hydration.
Across Australia the water cycle is broken. Extreme events, hot days, floods, droughts have increased. The pattern and nature of rainfall has changed. Particularly of the winter rain. What has caused this change?
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In this HydroTerra webinar, Phil Mulvey presents the argument that to better manage floods, we must focus on the upper catchment to reduce rainfall intensity and increase infiltration; prioritising water retention, slowing river flow, and recharging alluvium.
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In Australia and around the world, estimating carbon in soil is difficult and expensive. Measurement is considered too variable and costly and modelling is often found to be difficult to calibrate and has a large variance. Philip Mulvey joins HydroTerra's Richard Campbell to discuss soil carbon farming and the associated current challenges and progress.
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