# Entrée d'eau

Les nœuds d'entrée d'eau sont le mécanisme par lequel l'eau peut entrer dans le système. Nous présentons ici les trois nœuds les plus couramment utilisés pour l'entrée d'eau.

{% content-ref url="/pages/QfnrKxC1ZKhAqH9eAmld" %}
[Nœud d'entrée](/waterstrategy/francais/bases-de-la-modelisation/node-types/water-input/input-node.md)
{% endcontent-ref %}

{% content-ref url="/pages/MWxxkHuuVpK59DNVFN22" %}
[Nœud de captage](/waterstrategy/francais/bases-de-la-modelisation/node-types/water-input/catchment-node.md)
{% endcontent-ref %}

{% content-ref url="/pages/jNQ4Rk73I5ZkhNbrXyMw" %}
[Nœud d'entrée proportionnel](/waterstrategy/francais/bases-de-la-modelisation/node-types/water-input/proportional-input-node.md)
{% endcontent-ref %}


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