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Ob: Geography & Applications

The Ob (/ˈɒb/; Russian: Обь) is a major river in Russia. It is in western Siberia, and with its tributary the Irtysh forms the world's seventh-longest river system, at 5,410 kilometres (3,360 mi). The Ob forms at the confluence of the Biya and Katun which have their origins in the Altai Mountains. It is the westernmost of the three great Siberian rivers…

Language: English [EN]
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Ob topic overview

The analysis highlights Geography and Applications as prominent areas in the source structure around Ob.

Related topics
109
Source areas
8
Connected nodes
117
Extracted relationships
153
Concept neighborhoods
35
Bridge connections
117

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Human use · 33 topics
Geography · 27 topics
Overview · 14 topics
Names · 11 topics
Bridges · 6 topics
Cities · 6 topics
Pollution · 6 topics
Tributaries · 6 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

2nd source
Biya
3rd source
Most distant source: Ob-Irtysh system
Basin size
2,972,497 km2 (1,147,688 mi2) to 2,994,238 km2 (1,156,082 mi2)
Cities
Biysk, Barnaul, Novosibirsk, Nizhnevartovsk, Surgut
Country
Russia
Length
3,700 km (2,300 mi)

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Names

Geography

Human use

Pollution

Tributaries

Cities

Bridges

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Ob connects Entity context

The extracted context around Ob shows recurring relationship patterns in the source. For example, Ob → Altai Krai, Altai Mountains, Biya, Biysk, Both, China, Chulym, From, Irtysh, Ishim, Its, Katun, Kazakhstan, Ket, Lake Teletskoye, Mongolia, Mount Byelukha, Ob Plateau, Originating, Other Another extracted example is Ob → As, Finno-Ugric, Hā, Indo-Iranian, IPA, IPA-label-small, Katz, Katz's, Khanty, Kolta, Komi, Kuay, Nenets, Obʹ, Omass, Ostyak, Pashto, Persian, Proto-Indo-Iranian, Russian. Use these groups to spot repeated connection types before inspecting the individual relationships.

Ob

Top relations

related to Geography · 30
Ob → Altai Krai, Altai Mountains, Biya, Biysk, Both, China, Chulym, From, Irtysh, Ishim, Its, Katun, Kazakhstan, Ket, Lake Teletskoye, Mongolia, Mount Byelukha, Ob Plateau, Originating, Other
related to Names · 30
Ob → As, Finno-Ugric, Hā, Indo-Iranian, IPA, IPA-label-small, Katz, Katz's, Khanty, Kolta, Komi, Kuay, Nenets, Obʹ, Omass, Ostyak, Pashto, Persian, Proto-Indo-Iranian, Russian
related to history · 18
Ob → Beryozov, Kara Sea, Northern Dvina, Novgorod, Ob River, Obdorsk, Russian, Siberia, Sukhona, Surgut, The, The Novgorodians, The Russian, Usa, Ustyug, Vychegda, White Sea, Yugra
related to Bridges · 17
Ob → Barnaul, BarnaulNew, BridgeKomsomol, Communal, From, Kamen-na-ObiCommunal, Metro Bridge, Novosibirsk, Novosibirskaya HPPRailway, NovosibirskDimitrov, NovosibirskFirst, NovosibirskMetro, NovosibirskThe, October, Surgut BridgeRailway, SurgutShegarsky, Trans-Siberian Railway
• location · 7
Ob → Altai Krai, Belukha Mountain, Altai Republic, Lake Teletskoye, Altai Republic, near Mang-tai-ch’ia-ta-fan pass, Altai Mountains, Xinjiang, China, Ob Delta, Yamalia, Ob Estuary, Gulf of Ob (Kara Sea), Russia, Salekhard (Basin size: 2,917,508 km2 (1,126,456 sq mi))
• coordinates · 5
Ob → .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-pars…, 47°52′39″N 89°58′12″E / 47.87750°N 89.97000°E / 47.87750; 89.97000, 51°47′11″N 87°14′49″E / 51.78639°N 87.24694°E / 51.78639; 87.24694, 52°25′54″N 85°01′26″E / 52.43167°N 85.02389°E / 52.43167; 85.02389, 66°32′02″N 71°23′41″E / 66.53389°N 71.39472°E / 66.53389; 71.39472
• elevation · 5
Ob → 0 m (0 ft), 195 m (640 ft), 2,300 m (7,500 ft), 2,960 m (9,710 ft), 434 m (1,424 ft)
related to Cities · 5
Ob → BarnaulKamen-na-ObiNovosibirsk, Cities, KolpashevoLangepasMegionNizhnevartovskSurgutKhanty-MansiyskBeryozovoLabytnangiSalekhard, Russia's, Siberia's
related to Pollution · 5
Ob → As, In, The, The Ob, West Siberian
• average · 4
Ob → 12,889 m3/s (455,200 cu ft/s) (Period of data: 1971–2015) 12,475.1 m3/s (440,550 cu ft/s) (Period of data: 1930–1984) 13,500 m3/s (480,000 cu ft/s) (Period of data: 1999–2008), 3,000 m (9,800 ft), 402 km3/a (12,700 m3/s) (Period of data: 1940–2017) 414 km3/a (13,100 m3/s) (Period of data: 1984–2018), 9 m (30 ft)

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

river irtysh mi siberia russian novosibirsk russia railway basin tributaries source km reaches western rivers biya katun confluence yenisei cities

Ob relationships Subject–Predicate–Object triples

TTTA extracted 153 structured relationships around Ob. Examples in this analysis include Ob → 2nd source → Biya and Ob → 3rd source → Most distant source: Ob-Irtysh system. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Ob2nd sourceBiya1.00infobox
Ob3rd sourceMost distant source: Ob-Irtysh system1.00infobox
ObBasin size2,972,497 km2 (1,147,688 mi2) to 2,994,238 km2 (1,156,082 mi2)1.00infobox
ObCitiesBiysk, Barnaul, Novosibirsk, Nizhnevartovsk, Surgut1.00infobox
ObCountryRussia1.00infobox
ObLength3,700 km (2,300 mi)1.00infobox
ObMouthGulf of Ob1.00infobox
ObNative nameА̄с-я̄ (Mansi)1.00infobox
ObNative nameОбь (Russian)1.00infobox
ObRegionAltai Krai, Novosibirsk Oblast, Tomsk Oblast, Khanty-Mansi Autonomous Okrug, Yamalia1.00infobox
ObSourceKatun1.00infobox
ObSource confluenceNear Biysk1.00infobox
Ob• average3,000 m (9,800 ft)1.00infobox
Ob• average9 m (30 ft)1.00infobox
Ob• average12,889 m3/s (455,200 cu ft/s) (Period of data: 1971–2015) 12,475.1 m3/s (440,550 cu ft/s) (Period of data: 1930–1984) 13,500 m3/s (480,000 cu ft/s) (Period of data: 1999–2008)1.00infobox
Ob• average402 km3/a (12,700 m3/s) (Period of data: 1940–2017) 414 km3/a (13,100 m3/s) (Period of data: 1984–2018)1.00infobox
Ob• coordinates.mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-pars…1.00infobox
Ob• coordinates51°47′11″N 87°14′49″E / 51.78639°N 87.24694°E / 51.78639; 87.246941.00infobox
Ob• coordinates47°52′39″N 89°58′12″E / 47.87750°N 89.97000°E / 47.87750; 89.970001.00infobox
Ob• coordinates52°25′54″N 85°01′26″E / 52.43167°N 85.02389°E / 52.43167; 85.023891.00infobox
Ob• coordinates66°32′02″N 71°23′41″E / 66.53389°N 71.39472°E / 66.53389; 71.394721.00infobox
Ob• elevation2,300 m (7,500 ft)1.00infobox
Ob• elevation434 m (1,424 ft)1.00infobox
Ob• elevation2,960 m (9,710 ft)1.00infobox
Ob• elevation195 m (640 ft)1.00infobox
Ob• elevation0 m (0 ft)1.00infobox
Ob• leftKatun, Anuy, Charysh, Aley, Parabel, Vasyugan, Irtysh, Severnaya Sosva1.00infobox
Ob• locationBelukha Mountain, Altai Republic1.00infobox
Ob• locationLake Teletskoye, Altai Republic1.00infobox
Ob• locationnear Mang-tai-ch’ia-ta-fan pass, Altai Mountains, Xinjiang, China1.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around Ob bring nearby vocabulary together. In this analysis, examples include River, Km and Along. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Ob
    • River
    • Km
    • Along
    • Reaches
    • Source
    • Basin
    • Mi
    • Confluence
    • Irtysh
    • Altai
    • Barnaul
    • Gulf
  • ob
    • River
    • Km
    • Along
    • Reaches
    • Source
    • Basin
    • Mi
    • Confluence
    • Irtysh
    • Altai
    • Barnaul
    • Gulf
  • russian
    • Обь
    • Name
    • Surgut
    • Russia
    • Source
    • Estuary
    • Altai
    • Barnaul
    • Biya
    • Cities
    • Gulf
    • Katun
  • russia
    • Novosibirsk
    • Обь
    • Barnaul
    • Cities
    • Surgut
    • Confluence
    • Russian
    • Railway
    • Rivers
    • Siberia
    • Source
    • Estuary
  • irtysh
    • Tributary
    • Mi
    • Sea
    • System
    • Confluence
    • Tributaries
    • Km
    • Source
    • River
    • Ob
    • Обь
    • Estuary
  • biya
    • Katun
    • Altai
    • Confluence
    • Forms
    • Mi
    • Km
    • Обь
    • Estuary
    • Name
    • Barnaul
    • Cities
    • Gulf
  • altai mountains
    • Biya
    • Katun
    • Confluence
    • Forms
    • Km
    • Обь
    • Mi
    • Estuary
    • Name
    • Barnaul
    • Cities
    • Gulf
  • novosibirsk
    • Barnaul
    • Cities
    • Russia
    • Siberia
    • Surgut
    • Trans-siberian
    • Along
    • Source
    • Обь
    • Estuary
    • Name
    • Gulf

Connections between topic areas Semantic bridges

For Ob, one of the stronger structural bridges in this analysis connects Ob with Human use. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Ob — Human use · splits 84 ⟂ 34
Ob — Geography · splits 90 ⟂ 28
Ob — Overview · splits 103 ⟂ 15
Ob — Names · splits 106 ⟂ 12
Ob — Pollution · splits 111 ⟂ 7
Ob — Tributaries · splits 111 ⟂ 7
Ob — Cities · splits 111 ⟂ 7
Ob — Bridges · splits 111 ⟂ 7

Map overview Semantic statistics

Ob

Nodes118
Edges117
Triples153
Avg. degree1.98
Density0.016949
Components1

Source & methodology

TTTA analyzes the structure around Ob to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Geography & Applications, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Ob · EN edition · Analysis: TopicsToTalkAbout

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