Água morta

Dead water - nautical term for a phenomenon which can occur when a layer of fresh or brackish water rests on top of denser salt water, without the two layers mixing. Article “Água morta” in Portuguese Wikipedia has 2.3 points for quality (as of July 1, 2025).

This article has the best quality in Ukrainian Wikipedia. However, the most popular language version of this article is English.

Since the creation of article “Água morta”, its content was written by 6 registered users of Portuguese Wikipedia and edited by 115 registered Wikipedia users in all languages.

The article is cited 26 times in Portuguese Wikipedia and cited 78 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Portuguese): #19098 in March 2014
• Global: #60739 in July 2020

The highest popularity rank from 2008:

• Local (Portuguese): #94213 in July 2020
• Global: #160682 in July 2020

There are 10 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Ukrainian (uk) Мертва вода (океанологія)		27.3774
2	English (en) Dead water		25.6039
3	German (de) Totwasser (Schifffahrt)		25.0012
4	French (fr) Eau morte (hydrologie)		22.1992
5	Japanese (ja) 死水 (航海用語)		14.7465
6	Danish (da) Dødvande		11.4242
7	Norwegian (Nynorsk) (nn) Daudvatn		7.2791
8	Norwegian (no) Dødvann		6.7411
9	Portuguese (pt) Água morta		2.3414
10	Dutch (nl) Doodwater		0.5495

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Água morta" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Dead water		351 985
2	German (de) Totwasser (Schifffahrt)		28 486
3	Portuguese (pt) Água morta		13 947
4	Danish (da) Dødvande		13 305
5	Dutch (nl) Doodwater		12 003
6	French (fr) Eau morte (hydrologie)		10 627
7	Norwegian (no) Dødvann		8 150
8	Japanese (ja) 死水 (航海用語)		4 578
9	Norwegian (Nynorsk) (nn) Daudvatn		2 194
10	Ukrainian (uk) Мертва вода (океанологія)		2 112

More...

The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Água morta" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Dead water		1 517
2	German (de) Totwasser (Schifffahrt)		133
3	Japanese (ja) 死水 (航海用語)		80
4	French (fr) Eau morte (hydrologie)		64
5	Ukrainian (uk) Мертва вода (океанологія)		46
6	Danish (da) Dødvande		34
7	Norwegian (no) Dødvann		31
8	Portuguese (pt) Água morta		26
9	Dutch (nl) Doodwater		16
10	Norwegian (Nynorsk) (nn) Daudvatn		7

More...

The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Água morta" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Dead water		37
2	Norwegian (no) Dødvann		18
3	Dutch (nl) Doodwater		15
4	French (fr) Eau morte (hydrologie)		13
5	Danish (da) Dødvande		10
6	German (de) Totwasser (Schifffahrt)		9
7	Portuguese (pt) Água morta		6
8	Japanese (ja) 死水 (航海用語)		3
9	Norwegian (Nynorsk) (nn) Daudvatn		2
10	Ukrainian (uk) Мертва вода (океанологія)		2

More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Água morta" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Danish (da) Dødvande		0
2	German (de) Totwasser (Schifffahrt)		0
3	English (en) Dead water		0
4	French (fr) Eau morte (hydrologie)		0
5	Japanese (ja) 死水 (航海用語)		0
6	Dutch (nl) Doodwater		0
7	Norwegian (Nynorsk) (nn) Daudvatn		0
8	Norwegian (no) Dødvann		0
9	Portuguese (pt) Água morta		0
10	Ukrainian (uk) Мертва вода (океанологія)		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Água morta" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Portuguese (pt) Água morta		26
2	English (en) Dead water		11
3	German (de) Totwasser (Schifffahrt)		10
4	Japanese (ja) 死水 (航海用語)		8
5	Danish (da) Dødvande		5
6	French (fr) Eau morte (hydrologie)		5
7	Norwegian (Nynorsk) (nn) Daudvatn		4
8	Norwegian (no) Dødvann		4
9	Ukrainian (uk) Мертва вода (океанологія)		3
10	Dutch (nl) Doodwater		2

More...

#	Language	Value
da	Danish Dødvande
de	German Totwasser (Schifffahrt)
en	English Dead water
fr	French Eau morte (hydrologie)
ja	Japanese 死水 (航海用語)
nl	Dutch Doodwater
nn	Norwegian (Nynorsk) Daudvatn
no	Norwegian Dødvann
pt	Portuguese Água morta
uk	Ukrainian Мертва вода (океанологія)

Best Rank

Portuguese: #94213 07.2020

Global: #160682 07.2020

Best Rank

Portuguese: #19098 03.2014

Global: #60739 07.2020

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information