Dwarf Fortress Bug Tracker - Dwarf Fortress
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0000937Dwarf FortressMap Featurespublic2010-04-10 10:582014-07-07 22:25
Toady One 
0000937: Aquifer generation does not seem to be respecting mountains/elevations; conglomerate layers related?
I'm sure we've all noticed that there seems to be a LOT more aquifers in this version than any others to date. I decided I wanted to figure out why, and I think I've found some problems that could use fixing.

-Aquifer elevation makes no sense anymore. You can find them even in the middle of a 100% mountain region, seemingly suggesting impossibly high water tables

-The stone "conglomerate" is everywhere and seems to ALWAYS hold an aquifer. In 40d, conglomerate is much rarer and is found near oceans and non-mountain regions. In 31, it's found everywhere, including in the middle of mountain ranges. I believe these two things are related
These are with default world gen parameters
related to 0004232new  Aquifer on mountainous maps 
Issue History
2010-04-10 10:58SirPenguinNew Issue
2010-04-10 13:25SirPenguinNote Added: 0002634
2010-04-10 20:39Khym ChanurIssue Monitored: Khym Chanur
2010-04-10 20:40Khym ChanurTag Attached: aquifer
2010-04-20 01:40Kogan LoloklamNote Added: 0004318
2014-01-27 13:26FootkerchiefRelationship addedrelated to 0004232
2014-07-07 22:22SirPenguinNote Added: 0024932
2014-07-07 22:25FootkerchiefNote Added: 0024933
2014-07-07 22:25FootkerchiefStatusnew => resolved
2014-07-07 22:25FootkerchiefFixed in Version => 0.40.01
2014-07-07 22:25FootkerchiefResolutionopen => fixed
2014-07-07 22:25FootkerchiefAssigned To => Toady One

2010-04-10 13:25   
May very well be related to this post,

http://www.bay12games.com/forum/index.php?topic=52276.msg1127667#msg1127667 [^]
Kogan Loloklam   
2010-04-20 01:40   
No, I've seen it in other generated worlds. Near half a mountain range with a aquifer in the conglomerate layer. First time I ever saw an aquifer in a mountain range. I thought it was a feature though, not a bug. I don't recall seeing any conglomerate without an aquifer in the 2010 versions, come to think of it.
2014-07-07 22:22   
This bug appears to be fixed as of 40.1
2014-07-07 22:25   
Cool. Let us know if not.