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Richards equation

non-linear partial differential equation that represents the movement of water in unsaturated soils
Intangible formula Q2151066
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Richards equation

Summary

Richards equation is a formula[1]. It has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • Richards equation's instance of is recorded as formula[3].
  • Lorenzo A. Richards is named after Richards equation[4].
  • Richards equation comprises hydraulic conductivity[5].
  • Richards equation comprises water content[6].
  • Richards equation comprises elevation[7].
  • Richards equation comprises time[8].
  • Richards equation's maintained by WikiProject is recorded as WikiProject Mathematics[9].

Body

Definition and Type

Richards equation's instance of is recorded as formula[3].

Origins

Lorenzo A. Richards is named after Richards equation[4].

Use and Application

Components include hydraulic conductivity[5], a physical property[10]; water content[6]; elevation[7], a concept[11]; and time[8], a scalar quantity[12].

Why It Matters

Richards equation has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[2]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [10] ↑ . Wikidata. wikidata.org. → on this site
  2. [11] ↑ . Wikidata. wikidata.org. → on this site
  3. [12] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Richards equation. Retrieved May 3, 2026, from https://4ort.xyz/entity/richards-equation
MLA “Richards equation.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/richards-equation.
BibTeX @misc{4ortxyz_richards-equation_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Richards equation}}, year = {2026}, url = {https://4ort.xyz/entity/richards-equation}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Richards equation — https://4ort.xyz/entity/richards-equation (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6d ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → ['3RpRxK', '4FLN8O']
    Aliases → —
    Named after → —
    Instance of → formula
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.