rétrogradation - meaning and definition. What is rétrogradation
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What (who) is rétrogradation - definition

MOVEMENT OF THE FRONT OF A RIVER DELTA INLAND OVER TIME

Retrogradation (starch)         
REACTION THAT TAKES PLACE WHEN THE AMYLOSE AND AMYLOPECTIN CHAINS REALIGN THEMSELVES
Starch retrogradation
Retrogradation is a reaction that takes place when the amylose and amylopectin chains in cooked, gelatinized starch realign themselves as the cooked starch cools.
Retrogradation         
Retrogradation is the landward change in position of the front of a river delta with time. This occurs when the mass balance of sediment into the delta is such that the volume of incoming sediment is less than the volume of the delta that is lost through subsidence, sea-level rise, and/or erosion.
Retrogradation         
·noun The state of being retrograde; decline.
II. Retrogradation ·noun The act of retrograding, or moving backward.

Wikipedia

Retrogradation

Retrogradation is the landward change in position of the front of a river delta with time. This occurs when the mass balance of sediment into the delta is such that the volume of incoming sediment is less than the volume of the delta that is lost through subsidence, sea-level rise, and/or erosion. As a result, retrogradation is most common:

  • during periods of sea-level rise which results in marine transgression. This can occur during major periods of global warming and the melting of continental ice sheets.
  • with extremely low sediment input.