Hidrograpiya
{{Short description|Sukol kan mga lawas nin tubig }}
[[Ladawan:Table_of_Geography_and_Hydrography,_Cyclopaedia,_Volume_1.jpg|too|thumb|452x452px|Table of geography, hydrography, and navigation, from a 1728 ''[[Cyclopaedia, or an Universal Dictionary of Arts and Sciences|Cyclopaedia]]''.]]
An '''hidrograpiya''' iyo an sangay kan applied sciences na nagpapanunod sa sukol asin pagladawan kan pisikal na tampok kan mga  [[kadagatan]], [[dagat]], [[baybayon]], [[danaw]] asin [[salog]], siring man an prediksyon kan saindang pagbabago sa paglihis kan panahon, para sa pangenot na katuyohan kan kaligtasan sa nabigasyon asin sa support kan gabos na iba pang marine activities, kabali an economic development, security asin defense, scientific research, asin environmental protection.<ref>{{cite web|url=http://www.iho.int/srv1/index.php?option=com_content&view=article&id=299&Itemid=289|title=International Hydrographic Organization|access-date=2013-10-20|archive-url=https://web.archive.org/web/20140724100423/http://www.iho.int/srv1/index.php?option=com_content&view=article&id=299&Itemid=289|archive-date=2014-07-24|url-status=dead}}</ref>

==Toltolan==
{{reflist}}
{{stub}}
An hidrograpiya iyo an sangay kan applied sciences na nagpapanunod sa sukol asin pagladawan kan pisikal na tampok kan mga  kadagatan, dagat, baybayon, danaw asin salog, siring man an prediksyon kan saindang pagbabago sa paglihis kan panahon, para sa pangenot na katuyohan kan kaligtasan sa nabigasyon asin sa support kan gabos na iba pang marine activities, kabali an economic development, security asin defense, scientific research, asin environmental protection.

Toltolan