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Difference between revisions of "River"

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{{Quality|Exceptional}}
 
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[[File:river_preview.png|right]]A '''river''' is a body of [[water]] flowing from the [[mountain]] springs towards an [[ocean]] or a [[lake]]. Rivers serve as a terrain feature and gameplay element, coming in a variety of sizes and types. Larger ones will impede movement and may serve as a natural defensive boundary, while [[brook]]s, being the smallest type of river, can be crossed safely without needing to [[swimming|swim]], risk of [[drowning]], or even getting one's feet wet. In hilly terrain, particularly with [[cliff]]s, [[waterfall]]s can be found. Rivers can be the lifeblood of a fortress, potentially providing a renewable source of water and wildlife for [[fishing]], [[hunting]] or danger when traveling near them. They can also [[freezing|freeze]].
  
−
The '''River''' is a body of [[water]] flowing from the mountain springs towards an [[ocean]] or a [[lake]]. Rivers serve as a terrain feature and gameplay element.​ There are several types of river, larger river will impede movement across the map and may result in [[drowning]], they provide a renewable source of water and potential rich source of [[Creature#Aquatic|food]] for a new fortress, and can also [[freezing|freeze]].  
+
== Overview ==
 +
There are five different kinds of surface rivers: major rivers, rivers, minor rivers, streams and '''[[brook]]s'''. For most purposes, each kind will simply be referred to as rivers or brooks. The only differences between the first four types are their appearance on the world map, their width, and possibly their rate of flow.  
  
−
==Types of River==
+
=== River ===
−
There are five different kinds of surface '''rivers''': major rivers, rivers, minor rivers, streams and '''[[brook]]s'''. For most purposes, each kind will simply be referred to as rivers or brooks. The only differences between the first four types are their appearance in the world map, their width, and possibly their rate of flow. Brooks, being the smallest type of surface river, can be crossed safely without needing to [[swimming|swim]] or even get one's feet wet. In hilly terrain, particularly with [[cliff]]s, [[waterfall]]s can be found.
+
Rivers are represented by dark blue {{Tile|≈|1:7:0}} and {{Tile|~|1:7:0}} [[water]] tiles stretching from one edge of the map to another, with banks bounded by [[ramp|downward slopes]] {{Tile|▼|1:7:1}}, or {{Tile|▒|3:7:1}} when frozen. Rivers come in a variety of sizes, from tiny brooks only three or four tiles wide, to major rivers spanning as wide as 40 tiles. If flow amounts are turned off in <code>[[d_init.txt]]</code>, river tiles will also be constantly blinking to indicate that the water has [[flow]]. Rivers are an effectively unlimited source of water, entering the map at the upstream end and leaving at the downstream end.
  
−
As a [[biome]], there are six types of rivers, divided by climate and the salinity of the water. They are listed in the following table:
+
To determine which end of a river is downstream, you can carefully look at the ends of the river using {{k|k}}. The end that has multiple tiles of less than 7/7 water is the downstream end. (This strategy doesn't always work on freshly-generated maps, as the river can still be completely full of water.) Flow amounts can be enabled in [[d_init.txt]], which eliminates the need to use {{k|k}} but also removes flow indicators. A dwarfier method would be to [[unfortunate accident|kill something]], get its blood in the river, and observe the direction of the blood's movement.
 +
 
 +
Dwarves will not swim across rivers in fortress mode, regardless of their [[swimming]] skill, and unskilled dwarves that end up in a river can quickly drown in the current. Dwarves will only seek dry routes across rivers, such as a [[bridge]], [[floor]], or [[tunnel]].
 +
 
 +
As a [[biome]], there are six types of rivers, divided by climate and the salinity of the water (see table below). The biome greatly affects the creatures of the water and surrounding land. Additionally, rivers are more prone to having an [[aquifer]] close to the surface, and most riverbeds are made of layers of clay or sand.
  
 
{| {{prettytable}}
 
{| {{prettytable}}
Line 21: Line 27:
 
|}
 
|}
  
−
=== Rivers ===
+
=== Brook ===
−
Rivers can be seen as dark blue {{Tile|≈|1:7:0}} and {{Tile|~|1:7:0}} [[water]] tiles stretching from one edge of the map to another, with banks bounded by [[ramp|downward slopes]] {{Tile|▼|1:1}}. Rivers come in a variety of sizes, from tiny brooks only three or four tiles wide, to major rivers spanning as wide as 40 tiles. If flow amounts are turned off in <code>[[d_init.txt]]</code>, river tiles will also be constantly blinking to indicate that the water has [[flow]]. Rivers are an effectively unlimited source of water, entering the map at the upstream end and leaving at the downstream end.
+
{{main|Brook}}
−
 
+
[[Brook]]s are the smallest type of river. They have a unique property that allows creatures (including [[wagon]]s) to travel across them without swimming, or even getting wet. Water and other fluids can fall through the surface of a brook, and [[fisherdwarf|fisherdwarves]] can stand on the surface of a brook to fish. Otherwise, brooks function like any other river.
−
To determine which end of a river is downstream, you can carefully look at the ends of the river using {{k|k}}. The end that has multiple tiles of less than 7/7 water is the downstream end. (This strategy doesn't always work on freshly-generated maps, as the river can still be completely full of water.) Flow amounts can be enabled in [[d_init.txt]], which eliminates the need to use {{k|k}} but also removes flow indicators. A dwarfier method would be to [[unfortunate accident|kill something]], get its blood in the river, and observe the direction of the blood's movement.
 
−
 
 
−
Dwarves will not swim across rivers in fortress mode, regardless of their [[swimming]] skill, and unskilled dwarves that end up in a river can quickly drown in the current. Dwarves will only seek dry routes across rivers, such as a [[bridge]], [[floor]], or tunnel.
 
−
 
 
−
=== Brooks ===
 
−
[[Brook]]s are the smallest type of river. They have a unique property that allows creatures (including [[wagon]]s) to travel across them without swimming, or even getting their feet wet. Water and other fluids can fall through the surface of a brook, and [[fisherdwarf|fisherdwarves]] can stand on the surface of a brook to fish.
 
−
 
 
−
A brook can easily be identified by the white and cyan {{Tile|≈|3:1}} and {{Tile|~|3:1}} tiles on the surface, and will be clearly labelled as a brook when viewed with {{k|k}}. Like rivers, brook tiles will be constantly blinking to indicate that they have [[flow]].
 
−
 
 
−
[[Water wheel]]s will not function if placed directly on a brook. In order for them to work, you must dig a [[channel]] through the surface of the brook, which removes the special surface tile. This allows water wheels to be placed and function normally. In all other respects, brooks function exactly like any other river.
 
−
 
 
−
== Rivers on the regional map ==
 
−
[[File:Watersystems01.jpg|300px|thumb|Different sorts of rivers in action]]
 
  
−
On the regional map, there are five different classifications of rivers, identified by their appearance and the text displayed at the right side of the screen when they are selected in the local map view (major rivers, rivers, minor rivers, streams and brooks). Brooks are not directly visible on the regional or world maps, but can still be seen in the local map and will also be indicated at the right if you select a tile containing a brook.
+
=== Appearance on the regional map ===
 +
[[File:Watersystems01.jpg|300px|thumb|Different sorts of rivers in action. ASCII mode.]]
  
−
* '''Major rivers''' represented by double lines {{Raw Tile|╦╩|1:0}}, which easily distinguishes them from other types of rivers that only have single lines. Major rivers are the largest rivers, potentially exceeding 40 tiles in width. They usually have minor river tributaries and can often feed large [[lake]]s. The massive amount of flowing water found in a major river may have a negative effect on your [[FPS]].
+
On the regional map, there are five different classifications of rivers, identified by their appearance and the text displayed at the right side of the screen when they are selected in the local map view (major rivers, rivers, minor rivers, streams and brooks). Representing the connectivity hierarchy of how the river from small headwater brooks up to large river mouth emptying into the ocean. Brooks are not directly visible on the regional or world maps, but can still be seen in the local map and will also be indicated at the right if you select a tile containing a brook.
−
* '''Rivers''' represented by {{Raw Tile|┬┴|1:0}}. They usually have tributaries of minor rivers. They can often be over 10 tiles wide.
 
−
* '''Minor rivers''' represented by {{Raw Tile|┬┴|1:1}}. They usually have streams as tributaries. They are usually between 7-10 tiles wide.
 
−
* '''Streams''' represented by {{Raw Tile|┬┴|3:1}}. They often converge with other streams and have some brooks as tributaries. They tend to be 4-6 tiles wide.
 
−
* '''Brooks''' are only visible in the local map (not on the world map like the rest). They are the smallest flowing body of [[water]] that can be found in the game, being only 3-4 tiles wide. Brooks are very common - almost every tile around a stream or larger river will have a brook running through it.
 
  
 
{| class="wikitable"
 
{| class="wikitable"
−
! Biome/Region
+
! Major rivers || {{Raw Tile|╦╩|1:0}}{{Raw Tile|╩|4:0}}
−
! Normal
+
| They are the largest rivers, potentially exceeding 40 tiles in width. They usually have minor river tributaries and can often feed large [[lake]]s. The massive amount of flowing water found in a major river may have a negative effect on your [[FPS]].
−
! Good
 
−
! Evil
 
 
|-
 
|-
−
| [[River]]
+
! Rivers || {{Raw Tile|┬┴|1:0}}{{Raw Tile|╦|6:0}}
−
| {{Raw Tile|•┬┴|3:1}} {{Raw Tile|┬┴|1:1}} {{Raw Tile|┬┴|1:0}} {{Raw Tile|╦╩◄|1:0}}
+
| They usually have tributaries of minor rivers. They can often be over 10 tiles wide.
−
| {{Raw Tile|•┬┴|3:1}} {{Raw Tile|┬┴|1:1}} {{Raw Tile|┬┴|1:0}} {{Raw Tile|╦╩◄|1:0}}
+
|-
−
| {{Raw Tile|•┬|6:0}}{{Raw Tile|┴|4:0}} {{Raw Tile|╦|6:0}}{{Raw Tile|╩◄|4:0}}
+
! Minor rivers || {{Raw Tile|┬┴|1:1}}{{Raw Tile|┴|4:0}}  
 +
| They usually have streams as tributaries. They are usually between 7-10 tiles wide.
 +
|-
 +
! Streams || {{Raw Tile|┬┴|3:1}}{{Raw Tile|┬|6:0}}
 +
| They often converge with other streams and have some brooks as tributaries. They tend to be 4-6 tiles wide.
 +
|-
 +
! Brooks ||  
 +
| only visible in the local map (not on the world map like the rest). They are the smallest flowing body of [[water]] that can be found in the game, being only 3-4 tiles wide. Brooks are very common - almost every tile around a stream or larger river will have a brook running through it.
 
|}
 
|}
  
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* After a river has been drained, the tiles will still appear as "river" when viewed. These appear to have no effect, but can be removed by [[floor]]ing over them or [[mining]]. If a construction is built on a river tile and removed, [[soil|furrowed]] soil will appear.
 
* After a river has been drained, the tiles will still appear as "river" when viewed. These appear to have no effect, but can be removed by [[floor]]ing over them or [[mining]]. If a construction is built on a river tile and removed, [[soil|furrowed]] soil will appear.
 
* Sometimes, the dwarves end up parking on the ice in cold regions, on arrival to a new settlement area. Needless to say, in places where ice can melt, this is quite dangerous and might result in a lot of [[fun]] when retrieving all the necessary stuff.
 
* Sometimes, the dwarves end up parking on the ice in cold regions, on arrival to a new settlement area. Needless to say, in places where ice can melt, this is quite dangerous and might result in a lot of [[fun]] when retrieving all the necessary stuff.
 +
* If embarked on the source of a river, there will be a delta-looking feature that water flows '''from'''. i.e., the source tiles for the head of a river are not at the border of the map, but rather the network of 1-2 tile wide rivulets that converge into the river proper. If you wish to dam this at the source you will need to either go downstream far enough from the source tiles and dam as usual, or use a [[screw pump]] to pump out enough water to wall off the tile. Given the volume of water it outputs, this is difficult and can lead to [[Losing|FUN.]]
 +
* This guide can teach you how to block one z level river. Repetition of the same process slowly one after another for deep rivers works out as well. Just that it requires quite some time. Here is the link to the guide:- https://steamcommunity.com/sharedfiles/filedetails/?id=3016032201
  
 
== Wildlife ==
 
== Wildlife ==
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{| class="wikitable"
 
{| class="wikitable"
 
! rowspan="2"| Name
 
! rowspan="2"| Name
 +
! rowspan="2"| Graphic
 
! colspan="3"| Temperate river !! colspan="3"| Tropical river
 
! colspan="3"| Temperate river !! colspan="3"| Tropical river
 
|-
 
|-
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|-
 
|-
 
| {{Tile|A|2:0}} [[Alligator]]
 
| {{Tile|A|2:0}} [[Alligator]]
 +
| style="text-align:center;"|[[File:alligator_sprite.png]]
 
| {{check}} || {{check}} ||  || {{check}}  || {{check}}  ||  
 
| {{check}} || {{check}} ||  || {{check}}  || {{check}}  ||  
 
|-
 
|-
 
| {{Tile|T|2:0}} [[Alligator snapping turtle]]
 
| {{Tile|T|2:0}} [[Alligator snapping turtle]]
 +
| style="text-align:center;"|[[File:alligator_snapping_turtle_sprite.png]]
 
| {{check}} || {{check}} ||  ||  ||  ||  
 
| {{check}} || {{check}} ||  ||  ||  ||  
 
|-
 
|-
 
| {{Tile|b|6:0}} [[Beaver]]
 
| {{Tile|b|6:0}} [[Beaver]]
 +
| style="text-align:center;"|[[File:beaver_sprite.png]]
 
| {{check}} || {{check}} || {{check}} ||  ||  ||   
 
| {{check}} || {{check}} || {{check}} ||  ||  ||   
 
|-
 
|-
 
| {{Tile|α|3:0}} [[Carp]]
 
| {{Tile|α|3:0}} [[Carp]]
 +
| style="text-align:center;"|[[File:carp_sprite.png]]
 
| {{check}} ||  ||  || {{check}} ||  ||   
 
| {{check}} ||  ||  || {{check}} ||  ||   
 
|-
 
|-
 
| {{Tile|t|2:0}} [[Common snapping turtle]]
 
| {{Tile|t|2:0}} [[Common snapping turtle]]
 +
| style="text-align:center;"|[[File:snapping_turtle_sprite.png]]
 
| {{check}} || {{check}} ||  ||  ||  ||  
 
| {{check}} || {{check}} ||  ||  ||  ||  
 
|-
 
|-
 
| {{Tile|H|7:0}} [[Hippo]]
 
| {{Tile|H|7:0}} [[Hippo]]
 +
| style="text-align:center;"|[[File:hippo_sprite.png]]
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|g|6:0}} [[Longnose gar]]
 
| {{Tile|g|6:0}} [[Longnose gar]]
 +
| style="text-align:center;"|[[File:longnose_gar_sprite.png]]
 
| {{check}} || {{check}} ||  ||  ||  ||  
 
| {{check}} || {{check}} ||  ||  ||  ||  
 
|-
 
|-
 
| {{Tile|α|3:1}} [[Milkfish]]
 
| {{Tile|α|3:1}} [[Milkfish]]
 +
| style="text-align:center;"|[[File:milkfish_sprite.png]]
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|m|6:0}} [[Mink]]
 
| {{Tile|m|6:0}} [[Mink]]
 +
| style="text-align:center;"|[[File:mink_sprite.png]]
 
| {{check}} || {{check}} || {{check}} ||  ||  ||   
 
| {{check}} || {{check}} || {{check}} ||  ||  ||   
 
|-
 
|-
 
| {{Tile|o|7:1}} [[Osprey]]
 
| {{Tile|o|7:1}} [[Osprey]]
 +
| style="text-align:center;"|[[File:osprey_sprite.png]]
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|α|2:0}} [[Pike]]
 
| {{Tile|α|2:0}} [[Pike]]
 +
| style="text-align:center;"|[[File:pike_sprite.png]]
 
| {{check}} || {{check}} ||  ||  ||  ||  
 
| {{check}} || {{check}} ||  ||  ||  ||  
 
|-
 
|-
 
| {{Tile|p|6:0}} [[Platypus]]
 
| {{Tile|p|6:0}} [[Platypus]]
 +
| style="text-align:center;"|[[File:platypus_sprite.png]]
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|o|6:0}} [[River otter]]
 
| {{Tile|o|6:0}} [[River otter]]
 +
| style="text-align:center;"|[[File:river_otter_sprite.png]]
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|C|2:0}} [[Saltwater crocodile]]
 
| {{Tile|C|2:0}} [[Saltwater crocodile]]
 +
| style="text-align:center;"|[[File:saltwater_crocodile_sprite.png]]
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|~|0:1}} [[Sea lamprey]]
 
| {{Tile|~|0:1}} [[Sea lamprey]]
 +
| style="text-align:center;"|[[File:sea_lamprey_sprite.png]]
 
| {{check}} || {{check}} || {{check}} ||  ||  ||   
 
| {{check}} || {{check}} || {{check}} ||  ||  ||   
 
|-
 
|-
 
| {{Tile|s|4:1}} [[Sponge]]
 
| {{Tile|s|4:1}} [[Sponge]]
 +
| style="text-align:center;"|[[File:sponge_sprite.png]]
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|ò|7:0}} [[Stingray]]
 
| {{Tile|ò|7:0}} [[Stingray]]
 +
| style="text-align:center;"|[[File:stingray_sprite.png]]
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|α|6:0}} [[Sturgeon]]
 
| {{Tile|α|6:0}} [[Sturgeon]]
 +
| style="text-align:center;"|[[File:sturgeon_sprite.png]]
 
| {{check}} || {{check}} || {{check}} ||  ||  ||   
 
| {{check}} || {{check}} || {{check}} ||  ||  ||   
 
|-
 
|-
 
| {{Tile|α|3:1}} [[Tigerfish]]
 
| {{Tile|α|3:1}} [[Tigerfish]]
 +
| style="text-align:center;"|[[File:tigerfish_sprite.png]]
 
|  ||  ||  || {{check}} ||  ||   
 
|  ||  ||  || {{check}} ||  ||   
 
|}
 
|}
Line 134: Line 151:
 
{| class="wikitable"
 
{| class="wikitable"
 
! rowspan="2"| Name
 
! rowspan="2"| Name
 +
! rowspan="2"| Graphic
 
! colspan="3"| Temperate river !! colspan="3"| Tropical river
 
! colspan="3"| Temperate river !! colspan="3"| Tropical river
 
|-
 
|-
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|-
 
|-
 
| {{Tile|A|2:0}} [[Alligator man]]
 
| {{Tile|A|2:0}} [[Alligator man]]
 +
| style="text-align:center;"|[[File:alligator_man_sprite.png]]
 
| {{check}} || {{check}} ||  ||  ||  ||  
 
| {{check}} || {{check}} ||  ||  ||  ||  
 
|-
 
|-
 
| {{Tile|b|6:0}} [[Beaver man]]
 
| {{Tile|b|6:0}} [[Beaver man]]
 +
| style="text-align:center;"|[[File:beaver_man_sprite.png]]
 
| {{check}} || {{check}} || {{check}} ||  ||  ||   
 
| {{check}} || {{check}} || {{check}} ||  ||  ||   
 
|-
 
|-
 
| {{Tile|A|2:0}} [[Giant alligator]]
 
| {{Tile|A|2:0}} [[Giant alligator]]
 +
| style="text-align:center;"|[[File:giant_alligator_sprite.png]]
 
| {{check}} || {{check}} ||  ||  ||  ||  
 
| {{check}} || {{check}} ||  ||  ||  ||  
 
|-
 
|-
 
| {{Tile|B|6:0}} [[Giant beaver]]
 
| {{Tile|B|6:0}} [[Giant beaver]]
 +
| style="text-align:center;"|[[File:giant_beaver_sprite.png]]
 
| {{check}} || {{check}} || {{check}} ||  ||  ||   
 
| {{check}} || {{check}} || {{check}} ||  ||  ||   
 
|-
 
|-
 
| {{Tile|H|7:0}} [[Giant hippo]]
 
| {{Tile|H|7:0}} [[Giant hippo]]
 +
| style="text-align:center;"|[[File:giant_hippo_sprite.png]]
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|M|6:0}} [[Giant mink]]
 
| {{Tile|M|6:0}} [[Giant mink]]
 +
| style="text-align:center;"|[[File:giant_mink_sprite.png]]
 
| {{check}} || {{check}} || {{check}} ||  ||  ||   
 
| {{check}} || {{check}} || {{check}} ||  ||  ||   
 
|-
 
|-
 
| {{Tile|O|7:1}} [[Giant osprey]]
 
| {{Tile|O|7:1}} [[Giant osprey]]
 +
| style="text-align:center;"|[[File:giant_osprey_sprite.png]]
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|P|6:0}} [[Giant platypus]]
 
| {{Tile|P|6:0}} [[Giant platypus]]
 +
| style="text-align:center;"|[[File:giant_platypus_sprite.png]]
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|O|6:0}} [[Giant otter]]
 
| {{Tile|O|6:0}} [[Giant otter]]
 +
| style="text-align:center;"|[[File:giant_otter_sprite.png]]
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|C|2:0}} [[Giant saltwater crocodile]]
 
| {{Tile|C|2:0}} [[Giant saltwater crocodile]]
 +
| style="text-align:center;"|[[File:giant_saltwater_crocodile_sprite.png]]
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|T|2:0}} [[Giant snapping turtle]]
 
| {{Tile|T|2:0}} [[Giant snapping turtle]]
 +
| style="text-align:center;"|[[File:giant_snapping_turtle_sprite.png]]
 
| {{check}} || {{check}} ||  ||  ||  ||  
 
| {{check}} || {{check}} ||  ||  ||  ||  
 
|-
 
|-
 
| {{Tile|S|4:1}} [[Giant sponge]]
 
| {{Tile|S|4:1}} [[Giant sponge]]
 +
| style="text-align:center;"|[[File:giant_sponge_sprite.png]]
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|H|7:0}} [[Hippo man]]
 
| {{Tile|H|7:0}} [[Hippo man]]
 +
| style="text-align:center;"|[[File:hippo_man_sprite.png]]
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|m|6:0}} [[Mink man]]
 
| {{Tile|m|6:0}} [[Mink man]]
 +
| style="text-align:center;"|[[File:mink_man_sprite.png]]
 
| {{check}} || {{check}} || {{check}} ||  ||  ||   
 
| {{check}} || {{check}} || {{check}} ||  ||  ||   
 
|-
 
|-
 
| {{Tile|o|7:1}} [[Osprey man]]
 
| {{Tile|o|7:1}} [[Osprey man]]
 +
| style="text-align:center;"|[[File:osprey_man_sprite.png]]
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|p|6:0}} [[Platypus man]]
 
| {{Tile|p|6:0}} [[Platypus man]]
 +
| style="text-align:center;"|[[File:platypus_man_sprite.png]]
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|o|6:0}} [[Otter man]]
 
| {{Tile|o|6:0}} [[Otter man]]
 +
| style="text-align:center;"|[[File:otter_man_sprite.png]]
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|C|2:0}} [[Saltwater crocodile man]]
 
| {{Tile|C|2:0}} [[Saltwater crocodile man]]
 +
| style="text-align:center;"|[[File:Saltwater_crocodile_man_sprite.png]]
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|t|2:0}} [[Snapping turtle man]]
 
| {{Tile|t|2:0}} [[Snapping turtle man]]
 +
| style="text-align:center;"|[[File:snapping_turtle_man_sprite.png]]
 
| {{check}} || {{check}} ||  ||  ||  ||  
 
| {{check}} || {{check}} ||  ||  ||  ||  
 
|-
 
|-
 
| {{Tile|s|4:1}} [[Sponge man]]
 
| {{Tile|s|4:1}} [[Sponge man]]
 +
| style="text-align:center;"|[[File:sponge_man_sprite.png]]
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
|}
 
|}
  
 
=== Vermin ===
 
=== Vermin ===
 +
{{Translation
 +
| dwarven = igër
 +
| elvish  = mimale
 +
| goblin  = öbtasp
 +
| human  = omba
 +
}}
 
{| class="wikitable"
 
{| class="wikitable"
 
! rowspan="2"| Name
 
! rowspan="2"| Name
 +
! rowspan="2"| Graphic
 
! colspan="3"| Temperate river !! colspan="3"| Tropical river
 
! colspan="3"| Temperate river !! colspan="3"| Tropical river
 
|-
 
|-
Line 207: Line 252:
 
|-
 
|-
 
| {{Tile|α|6:0}} [[Banded knifefish]]
 
| {{Tile|α|6:0}} [[Banded knifefish]]
 +
| style="text-align:center;"|[[File:banded_knifefish_sprite.png]]
 
|  ||  ||  || {{check}} ||  ||  
 
|  ||  ||  || {{check}} ||  ||  
 
|-
 
|-
 
| {{Tile|~|3:0}} [[Brook lamprey]]
 
| {{Tile|~|3:0}} [[Brook lamprey]]
 +
| style="text-align:center;"|[[File:brook_lamprey_sprite.png]]
 
| {{check}} || {{check}} || {{check}} ||  ||  ||  
 
| {{check}} || {{check}} || {{check}} ||  ||  ||  
 
|-
 
|-
 
| {{Tile|α|0:1}} [[Char]]
 
| {{Tile|α|0:1}} [[Char]]
 +
| style="text-align:center;"|[[File:char_sprite.png]]
 
| {{check}} ||  ||  ||  ||  ||  
 
| {{check}} ||  ||  ||  ||  ||  
 
|-
 
|-
 
| {{Tile|α|1:1}} [[Guppy]]
 
| {{Tile|α|1:1}} [[Guppy]]
 +
| style="text-align:center;"|[[File:guppy_sprite.png]]
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|α|6:0}} [[Lungfish]]
 
| {{Tile|α|6:0}} [[Lungfish]]
 +
| style="text-align:center;"|[[File:lungfish_sprite.png]]
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|  ||  ||  || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|m|7:1}} [[Mussel]]
 
| {{Tile|m|7:1}} [[Mussel]]
 +
| style="text-align:center;"|[[File:mussel_sprite.png]]
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
| {{check}} || {{check}} || {{check}} || {{check}} || {{check}} || {{check}}
 
|-
 
|-
 
| {{Tile|α|7:1}} [[Perch]]
 
| {{Tile|α|7:1}} [[Perch]]
 +
| style="text-align:center;"|[[File:perch_sprite.png]]
 
| {{check}} ||  ||  ||  ||  ||  
 
| {{check}} ||  ||  ||  ||  ||  
 
|-
 
|-
 
| {{Tile|α|2:1}} [[Rainbow trout]]
 
| {{Tile|α|2:1}} [[Rainbow trout]]
 +
| style="text-align:center;"|[[File:rainbow_trout_sprite.png]]
 
| {{check}} ||  ||  ||  ||  ||  
 
| {{check}} ||  ||  ||  ||  ||  
 
|-
 
|-
 
| {{Tile|α|2:0}} [[Sailfin molly]]
 
| {{Tile|α|2:0}} [[Sailfin molly]]
 +
| style="text-align:center;"|[[File:sailfin_molly_sprite.png]]
 
| {{check}} || {{check}} || {{check}} ||  ||  ||  
 
| {{check}} || {{check}} || {{check}} ||  ||  ||  
 
|-
 
|-
 
| {{Tile|α|4:1}} [[Salmon]]
 
| {{Tile|α|4:1}} [[Salmon]]
 +
| style="text-align:center;"|[[File:salmon_sprite.png]]
 
| {{check}} || {{check}} || {{check}} ||  ||  ||  
 
| {{check}} || {{check}} || {{check}} ||  ||  ||  
 
|-
 
|-
 
| {{Tile|α|3:1}} [[Shad]]
 
| {{Tile|α|3:1}} [[Shad]]
 +
| style="text-align:center;"|[[File:shad_sprite.png]]
 
| {{check}} || {{check}} || {{check}} ||  ||  ||  
 
| {{check}} || {{check}} || {{check}} ||  ||  ||  
 
|-
 
|-
 
| {{Tile|α|3:1}} [[Steelhead trout]]
 
| {{Tile|α|3:1}} [[Steelhead trout]]
 +
| style="text-align:center;"|[[File:steelhead_trout_sprite.png]]
 
| {{check}} || {{check}} || {{check}} ||  ||  ||  
 
| {{check}} || {{check}} || {{check}} ||  ||  ||  
 
|}
 
|}
−
 
+
[[File:Hills river swamp.jpg|thumb|350px|center|River flowing into the hills]]
−
{{Translation
 
−
| dwarven = igër
 
−
| elvish  = mimale
 
−
| goblin  = öbtasp
 
−
| human  = omba
 
−
}}
 
−
 
 
 
{{World|Biomes}}
 
{{World|Biomes}}
  
 
{{Category|Map tiles}}
 
{{Category|Map tiles}}
 
{{Category|Biomes}}
 
{{Category|Biomes}}

Latest revision as of 18:01, 29 January 2024

xTATTEREDx  · +FINE+  · *SUPERIOR*  · ≡EXCEPTIONAL≡  · ☼MASTERWORK☼
v50.14 · v0.47.05
This article is about the current version of DF.
Note that some content may still need to be updated.
River preview.png

A river is a body of water flowing from the mountain springs towards an ocean or a lake. Rivers serve as a terrain feature and gameplay element, coming in a variety of sizes and types. Larger ones will impede movement and may serve as a natural defensive boundary, while brooks, being the smallest type of river, can be crossed safely without needing to swim, risk of drowning, or even getting one's feet wet. In hilly terrain, particularly with cliffs, waterfalls can be found. Rivers can be the lifeblood of a fortress, potentially providing a renewable source of water and wildlife for fishing, hunting or danger when traveling near them. They can also freeze.

Overview[edit]

There are five different kinds of surface rivers: major rivers, rivers, minor rivers, streams and brooks. For most purposes, each kind will simply be referred to as rivers or brooks. The only differences between the first four types are their appearance on the world map, their width, and possibly their rate of flow.

River[edit]

Rivers are represented by dark blue ≈ and ~ water tiles stretching from one edge of the map to another, with banks bounded by downward slopes ▼, or ▒ when frozen. Rivers come in a variety of sizes, from tiny brooks only three or four tiles wide, to major rivers spanning as wide as 40 tiles. If flow amounts are turned off in d_init.txt, river tiles will also be constantly blinking to indicate that the water has flow. Rivers are an effectively unlimited source of water, entering the map at the upstream end and leaving at the downstream end.

To determine which end of a river is downstream, you can carefully look at the ends of the river using k. The end that has multiple tiles of less than 7/7 water is the downstream end. (This strategy doesn't always work on freshly-generated maps, as the river can still be completely full of water.) Flow amounts can be enabled in d_init.txt, which eliminates the need to use k but also removes flow indicators. A dwarfier method would be to kill something, get its blood in the river, and observe the direction of the blood's movement.

Dwarves will not swim across rivers in fortress mode, regardless of their swimming skill, and unskilled dwarves that end up in a river can quickly drown in the current. Dwarves will only seek dry routes across rivers, such as a bridge, floor, or tunnel.

As a biome, there are six types of rivers, divided by climate and the salinity of the water (see table below). The biome greatly affects the creatures of the water and surrounding land. Additionally, rivers are more prone to having an aquifer close to the surface, and most riverbeds are made of layers of clay or sand.

Freshwater Brackish water Saltwater
Temperate Temperate freshwater river Temperate brackish river Temperate saltwater river
Tropical Tropical freshwater river Tropical brackish river Tropical saltwater river

Brook[edit]

Main article: Brook

Brooks are the smallest type of river. They have a unique property that allows creatures (including wagons) to travel across them without swimming, or even getting wet. Water and other fluids can fall through the surface of a brook, and fisherdwarves can stand on the surface of a brook to fish. Otherwise, brooks function like any other river.

Appearance on the regional map[edit]

Different sorts of rivers in action. ASCII mode.

On the regional map, there are five different classifications of rivers, identified by their appearance and the text displayed at the right side of the screen when they are selected in the local map view (major rivers, rivers, minor rivers, streams and brooks). Representing the connectivity hierarchy of how the river from small headwater brooks up to large river mouth emptying into the ocean. Brooks are not directly visible on the regional or world maps, but can still be seen in the local map and will also be indicated at the right if you select a tile containing a brook.

Major rivers ╦╩╩ They are the largest rivers, potentially exceeding 40 tiles in width. They usually have minor river tributaries and can often feed large lakes. The massive amount of flowing water found in a major river may have a negative effect on your FPS.
Rivers ┬┴╦ They usually have tributaries of minor rivers. They can often be over 10 tiles wide.
Minor rivers ┬┴┴ They usually have streams as tributaries. They are usually between 7-10 tiles wide.
Streams ┬┴┬ They often converge with other streams and have some brooks as tributaries. They tend to be 4-6 tiles wide.
Brooks only visible in the local map (not on the world map like the rest). They are the smallest flowing body of water that can be found in the game, being only 3-4 tiles wide. Brooks are very common - almost every tile around a stream or larger river will have a brook running through it.

Other important facts[edit]

  • Rivers contain an unlimited amount of water and cannot be drained like murky pools. They can, however, be dammed if you can temporarily drain part of them to 1/7 or less for long enough to construct walls or install floodgates. Despite being an unlimited source of water, river source tiles will only refill up to the level of the river's source - it will not overflow if you dam it up. This video demonstrates one way to drain and dam a river: [1]. Another way to dam a river is to direct magma into it, producing obsidian in the squares where it encounters water.
  • Even if dammed, a dry riverbed will refill when it rains, similar to a murky pool.
  • A dammed river will cease to produce additional water once all of its tiles reach 7/7, even if the dam is subsequently opened, until the water level near the river's source drops below 7/7.
  • After a river has been drained, the tiles will still appear as "river" when viewed. These appear to have no effect, but can be removed by flooring over them or mining. If a construction is built on a river tile and removed, furrowed soil will appear.
  • Sometimes, the dwarves end up parking on the ice in cold regions, on arrival to a new settlement area. Needless to say, in places where ice can melt, this is quite dangerous and might result in a lot of fun when retrieving all the necessary stuff.
  • If embarked on the source of a river, there will be a delta-looking feature that water flows from. i.e., the source tiles for the head of a river are not at the border of the map, but rather the network of 1-2 tile wide rivulets that converge into the river proper. If you wish to dam this at the source you will need to either go downstream far enough from the source tiles and dam as usual, or use a screw pump to pump out enough water to wall off the tile. Given the volume of water it outputs, this is difficult and can lead to FUN.
  • This guide can teach you how to block one z level river. Repetition of the same process slowly one after another for deep rivers works out as well. Just that it requires quite some time. Here is the link to the guide:- https://steamcommunity.com/sharedfiles/filedetails/?id=3016032201

Wildlife[edit]

Creatures[edit]

Name Graphic Temperate river Tropical river
Freshwater Brackish Saltwater Freshwater Brackish Saltwater
A Alligator Alligator sprite.png ✔ ✔ ✔ ✔
T Alligator snapping turtle Alligator snapping turtle sprite.png ✔ ✔
b Beaver Beaver sprite.png ✔ ✔ ✔
α Carp Carp sprite.png ✔ ✔
t Common snapping turtle Snapping turtle sprite.png ✔ ✔
H Hippo Hippo sprite.png ✔ ✔ ✔
g Longnose gar Longnose gar sprite.png ✔ ✔
α Milkfish Milkfish sprite.png ✔ ✔ ✔
m Mink Mink sprite.png ✔ ✔ ✔
o Osprey Osprey sprite.png ✔ ✔ ✔ ✔ ✔ ✔
α Pike Pike sprite.png ✔ ✔
p Platypus Platypus sprite.png ✔ ✔ ✔ ✔ ✔ ✔
o River otter River otter sprite.png ✔ ✔ ✔ ✔ ✔ ✔
C Saltwater crocodile Saltwater crocodile sprite.png ✔ ✔ ✔
~ Sea lamprey Sea lamprey sprite.png ✔ ✔ ✔
s Sponge Sponge sprite.png ✔ ✔ ✔ ✔ ✔ ✔
ò Stingray Stingray sprite.png ✔ ✔ ✔
α Sturgeon Sturgeon sprite.png ✔ ✔ ✔
α Tigerfish Tigerfish sprite.png ✔

In savage rivers:

Name Graphic Temperate river Tropical river
Freshwater Brackish Saltwater Freshwater Brackish Saltwater
A Alligator man Alligator man sprite.png ✔ ✔
b Beaver man Beaver man sprite.png ✔ ✔ ✔
A Giant alligator Giant alligator sprite.png ✔ ✔
B Giant beaver Giant beaver sprite.png ✔ ✔ ✔
H Giant hippo Giant hippo sprite.png ✔ ✔ ✔
M Giant mink Giant mink sprite.png ✔ ✔ ✔
O Giant osprey Giant osprey sprite.png ✔ ✔ ✔ ✔ ✔ ✔
P Giant platypus Giant platypus sprite.png ✔ ✔ ✔ ✔ ✔ ✔
O Giant otter Giant otter sprite.png ✔ ✔ ✔ ✔ ✔ ✔
C Giant saltwater crocodile Giant saltwater crocodile sprite.png ✔ ✔ ✔
T Giant snapping turtle Giant snapping turtle sprite.png ✔ ✔
S Giant sponge Giant sponge sprite.png ✔ ✔ ✔ ✔ ✔ ✔
H Hippo man Hippo man sprite.png ✔ ✔ ✔
m Mink man Mink man sprite.png ✔ ✔ ✔
o Osprey man Osprey man sprite.png ✔ ✔ ✔ ✔ ✔ ✔
p Platypus man Platypus man sprite.png ✔ ✔ ✔ ✔ ✔ ✔
o Otter man Otter man sprite.png ✔ ✔ ✔ ✔ ✔ ✔
C Saltwater crocodile man Saltwater crocodile man sprite.png ✔ ✔ ✔
t Snapping turtle man Snapping turtle man sprite.png ✔ ✔
s Sponge man Sponge man sprite.png ✔ ✔ ✔ ✔ ✔ ✔

Vermin[edit]

"River" in other Languages Books-aj.svg aj ashton 01.svg
Dwarven: igër
Elven: mimale
Goblin: öbtasp
Human: omba
Name Graphic Temperate river Tropical river
Freshwater Brackish Saltwater Freshwater Brackish Saltwater
α Banded knifefish Banded knifefish sprite.png ✔
~ Brook lamprey Brook lamprey sprite.png ✔ ✔ ✔
α Char Char sprite.png ✔
α Guppy Guppy sprite.png ✔ ✔ ✔
α Lungfish Lungfish sprite.png ✔ ✔ ✔
m Mussel Mussel sprite.png ✔ ✔ ✔ ✔ ✔ ✔
α Perch Perch sprite.png ✔
α Rainbow trout Rainbow trout sprite.png ✔
α Sailfin molly Sailfin molly sprite.png ✔ ✔ ✔
α Salmon Salmon sprite.png ✔ ✔ ✔
α Shad Shad sprite.png ✔ ✔ ✔
α Steelhead trout Steelhead trout sprite.png ✔ ✔ ✔
River flowing into the hills
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