> For the complete documentation index, see [llms.txt](https://water-strategy.gitbook.io/waterstrategy/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://water-strategy.gitbook.io/waterstrategy/espanol/conceptos-basicos-de-modelado/node-types/water-input.md).

# Entrada de agua

Los nodos de entrada de agua son el mecanismo por el cual se puede ingresar agua al sistema. Aquí presentamos los tres nodos más utilizados para la entrada de agua.

{% content-ref url="/pages/wUMASkzdiTM5qIDppWsx" %}
[Nodo de entrada](/waterstrategy/espanol/conceptos-basicos-de-modelado/node-types/water-input/input-node.md)
{% endcontent-ref %}

{% content-ref url="/pages/wtKmloLprsXEkCdCD9eI" %}
[Nodo de captación](/waterstrategy/espanol/conceptos-basicos-de-modelado/node-types/water-input/catchment-node.md)
{% endcontent-ref %}

{% content-ref url="/pages/sWBcDi06cb7e9gPYBcmS" %}
[Nodo de entrada proporcional](/waterstrategy/espanol/conceptos-basicos-de-modelado/node-types/water-input/proportional-input-node.md)
{% endcontent-ref %}


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