---
description: Surface falling water & lava sources properties
---

# Falling water & lava sources

## Water sources

<figure><img src="https://3586521393-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVaTufFv4BbKVyQLim4tI%2Fuploads%2FPlCmyn0A1IOuQmCv88wN%2Fimage.png?alt=media&#x26;token=b2ec173d-7e9b-4afc-840b-e19f40204f93" alt="" width="563"><figcaption><p>Water source</p></figcaption></figure>

```yaml
surface.falling.water.frequency: 1.0E-4
```

Determines whether there are water sources at the bottom of the islands.

{% hint style="info" %}
**NOTE**: `the value`<mark style="color:blue;">**`1.0E-4`**</mark>`equals to`<mark style="color:blue;">**`0.0001`**</mark>
{% endhint %}

{% hint style="info" %}
**Valid range**: `0 (never) to 1 (always)`
{% endhint %}

## Lava sources

<figure><img src="https://3586521393-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVaTufFv4BbKVyQLim4tI%2Fuploads%2FDG4hBuvIAAjTeZmQ51Ab%2Fimage.png?alt=media&#x26;token=667aa60e-486a-467e-86b2-0cafeb360657" alt="" width="563"><figcaption><p>Lava source</p></figcaption></figure>

```yaml
surface.falling.lava.frequency: 2.5E-5
```

Determines whether there are lava sources at the bottom of the islands.

> Lava sources will be placed after evaluating water sources.

{% hint style="info" %}
**NOTE**: `the value`<mark style="color:blue;">**`2.5E-5`**</mark>`equals to`<mark style="color:blue;">**`0.000025`**</mark>
{% endhint %}

{% hint style="info" %}
**Valid range**: `0 (never) to 1 (always)`
{% endhint %}
