{
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  "canonical_url": "https://transduction.systems/entries/method_or_methodology_estuarine_mapping/",
  "release": "0.35",
  "citation": "Taylor, B. P. (2026). Estuarine Mapping. The Necessary Tangle, release 0.35. https://transduction.systems/entries/method_or_methodology_estuarine_mapping/",
  "licence": "CC BY-SA 4.0 for original atlas text and data; linked works retain their own terms",
  "entry": {
    "id": "method_or_methodology_estuarine_mapping",
    "label": "Estuarine Mapping",
    "entity_type": "method_or_methodology",
    "description": "Strategy and change method that maps constraints and the energy or effort required to shift them, favouring navigation and modulation over fixed end-state planning.",
    "aliases": [
      "Estuarine mapping"
    ],
    "boundary_ring": "0",
    "inclusion_reason": "snowden_cynefin_canonical_sources_release_0_14",
    "status": "accepted",
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      "release_0_14",
      "practice"
    ],
    "espoused_labels": [],
    "observed_clusters": [],
    "canonical_definition": "Strategy and change method that maps constraints and the energy or effort required to shift them, favouring navigation and modulation over fixed end-state planning.",
    "valid_from": "",
    "valid_to": "",
    "external_ids": "{}",
    "geographies": [],
    "licence": "",
    "review_status": "curator_checked_public_sources",
    "reviewed_by": "Benjamin P Taylor",
    "reviewed_at": "2026-08-11",
    "x": 0.34,
    "y": -0.44,
    "canonical_id": "method_or_methodology_estuarine_mapping",
    "public_visibility": "public",
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    "public_source_count": 1,
    "no_public_link_count": 0
  },
  "profile": {
    "node_id": "method_or_methodology_estuarine_mapping",
    "title": "Estuarine Mapping",
    "profile_status": "curator_checked_public_sources",
    "canonical_definition": "Strategy and change method that maps constraints and the energy or effort required to shift them, favouring navigation and modulation over fixed end-state planning.",
    "summary": "Estuarine Mapping represents constraints and the energy required to change them, supporting strategy as navigation through a shifting possibility space rather than movement towards a fully specified future state.",
    "why_it_matters": "It directs attention to what can be modulated now, what is costly or slow to change, and how the landscape changes as action proceeds.",
    "key_distinctions": [
      "navigation vs end-state planning",
      "constraints vs goals alone",
      "energy to change vs importance",
      "current method version vs every earlier sketch"
    ],
    "historical_lineage": [
      "Cynefin dynamics",
      "constraint mapping",
      "naturalising sense-making"
    ],
    "logical_antecedents": [
      "constraints",
      "affordances",
      "energy",
      "direction of travel"
    ],
    "dependent_subsequents": [
      "portfolio of interventions",
      "continuous remapping",
      "strategy under uncertainty"
    ],
    "practice_connections": [
      "strategy",
      "change",
      "policy",
      "portfolio management"
    ],
    "espoused_lineages": [],
    "observed_clusters": [],
    "common_misreadings": [
      "the map predicts the future",
      "all constraints should be removed",
      "energy estimates are objective facts"
    ],
    "open_checks": [
      "record subsequent versions",
      "add worked public cases",
      "compare with force-field, Wardley and systems maps"
    ],
    "source_ids": [
      "src_cynefin_estuarine_mapping_2022"
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    "evidence_ids": [],
    "last_researched": "2026-08-11",
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    "reviewed_by": "Benjamin P Taylor",
    "reviewed_at": "2026-08-11",
    "editorial_note": "Developed from public primary, institutional, publisher and project sources. First-party source roles and independent evidential limits are stated explicitly."
  },
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      "source": "method_or_methodology_estuarine_mapping",
      "target": "concept_boundary",
      "relation_type": "uses",
      "relation_family": "conceptual",
      "directed": "true",
      "dependency_kind": "",
      "confidence": "0.88",
      "claim_status": "accepted",
      "source_ids": [
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      "evidence_ids": [],
      "source_locator": "Release 0.14 public primary, official, institutional and publisher sources",
      "valid_from": "",
      "valid_to": "",
      "scope_conditions": "The statement is limited to the named sources and their evidential role. First-party definition, authorship, historical development, application and independent evaluation remain distinct claims.",
      "assertion_mode": "asserted",
      "inference_method": "curatorial synthesis of public sources",
      "claim_id": "",
      "reviewed_by": "Benjamin P Taylor",
      "reviewed_at": "2026-08-11",
      "notes": "The method works through the constraints shaping a possibility space.",
      "plain_phrase": "maps constraints and boundaries",
      "public_review_label": "supported working statement"
    },
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      "claim_id": "",
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      "notes": "The primary method page is authored by Snowden.",
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      "confidence": "0.72",
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      "source_locator": "Interpretive comparison of the two maintained public descriptions and their cited source records",
      "valid_from": "",
      "valid_to": "",
      "scope_conditions": "This is a provisional semantic or practice crosswalk. It does not establish historical influence, equivalence, efficacy or universal applicability. Item-level source review and curator acceptance are still required.",
      "assertion_mode": "interpreted",
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      "claim_id": "",
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      "plain_phrase": "is a specialised form of",
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    }
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  "claims": [],
  "sources": [
    {
      "id": "src_cynefin_estuarine_mapping_2022",
      "title": "Estuarine Mapping — The Cynefin Company",
      "source_type": "primary_author_method_page",
      "quality_tier": "A",
      "access": "public",
      "url": "https://thecynefin.co/estuarine-mapping/",
      "date": "2022",
      "notes": "Primary public introduction to Estuarine Mapping and its treatment of constraints and change. Later method material may supersede details; date and version should remain visible.",
      "creators": [
        "Dave Snowden"
      ],
      "doi": "",
      "isbn": "",
      "publisher": "The Cynefin Company",
      "licence": "site_terms",
      "archived_url": "",
      "content_hash": "",
      "review_status": "checked",
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      "public_link_status": "public_link"
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      "title": "An introductory systems thinking toolkit for civil servants",
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      "access": "public",
      "url": "https://www.gov.uk/government/publications/systems-thinking-for-civil-servants/toolkit",
      "date": "2023-01-12",
      "notes": "Official UK government introductory toolkit containing eleven named systems tools; explicitly non-comprehensive.",
      "creators": [],
      "doi": "",
      "isbn": "",
      "publisher": "",
      "licence": "",
      "archived_url": "",
      "content_hash": "",
      "review_status": "checked",
      "last_checked": "2026-08-09",
      "public_link_status": "public_link"
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  "evidence_locators": [],
  "reuse_note": "Preserve source attribution, scope, and review status. Source documents and evidence excerpts are excluded."
}