Resource Dynamics
How material, energy, and informational resources flow through a city across S/E/R#
Resource dynamics describe the metabolism of a city.
They govern how inputs are transformed into activity, how waste accumulates, and how scarcity or abundance reshapes behavior across every domain.
Cities do not fail because of ideas — they fail because resources stop flowing coherently.
Purpose#
Resource dynamics exist to:
- model inflow, circulation, and depletion of resources
- link infrastructure capacity to economic and social behavior
- explain scarcity, abundance, and distribution effects
- support crisis, rationing, and recovery simulation
- provide a substrate‑level constraint on all city dynamics
Resources are the activation fuel of urban systems.
Resources as Substrate Expression#
Urban resources express the shared substrate as:
- Structure (S) — supply networks, storage, distribution topology
- Activation (E) — consumption rate, throughput, stress load
- Relational Time (R) — replenishment cycles, depletion horizons, recovery lag
Resource dynamics operate continuously, even when invisible.
Canonical Urban Resource Classes#
City simulations typically track multiple resource classes simultaneously.
1. Energy Resources#
Examples:
- electricity
- fuel
- heating/cooling capacity
Couples strongly to:
- infrastructure load
- economic productivity
- population stress
2. Material Resources#
Examples:
- food
- water
- construction materials
Couples strongly to:
- population stability
- health outcomes
- governance legitimacy
3. Economic Resources#
Examples:
- capital
- credit
- labor availability
Couples strongly to:
- investment
- inequality
- volatility
4. Informational Resources#
Examples:
- data
- communication bandwidth
- trust and signal clarity
Couples strongly to:
- coordination
- panic or calm
- governance effectiveness
5. Ecological Resources#
Examples:
- land
- clean air
- ecosystem services
Couples strongly to:
- long‑term resilience
- environmental stress
- sustainability regimes
Canonical Resource Regimes#
Resource dynamics produce persistent regime patterns.
1. Abundant Flow Regime#
S:
- robust supply networks
- ample storage
E:
- consumption below capacity
R:
- long replenishment horizons
Description:
Supports growth, stability, and innovation.
2. Balanced Utilization Regime#
S:
- efficient distribution
- limited redundancy
E:
- steady consumption
R:
- predictable cycles
Description:
Efficient but sensitive to shocks.
3. Strained Resource Regime#
S:
- bottlenecks emerging
- uneven access
E:
- rising consumption pressure
R:
- shortened planning horizons
Description:
Often precedes social stress and political tension.
4. Scarcity Regime#
S:
- constrained supply
- rationing mechanisms
E:
- high competition
- stress amplification
R:
- crisis‑compressed time
Description:
Triggers unrest, policy intervention, or collapse.
5. Collapse / Breakdown Regime#
S:
- supply chain failure
- distribution fragmentation
E:
- uncontrolled demand
- hoarding or panic
R:
- emergency time compression
- long recovery arcs
Description:
Resource failure cascades across all domains.
6. Recovery / Regeneration Regime#
S:
- rebuilt supply paths
- increased modularity
E:
- regulated consumption
R:
- expanding horizons
- synchronized replenishment
Description:
Post‑crisis stabilization and learning.
Resource Flow Dynamics#
Key dynamics include:
- inflow vs. outflow balance
- storage buffering
- distribution equity
- loss and waste
- substitution and adaptation
Resource flow is rarely linear.
Cross‑Domain Coupling#
Resource dynamics strongly influence:
Infrastructure#
- load stress
- failure probability
Population Activation#
- stress levels
- unrest likelihood
Economics#
- prices
- productivity
- inequality
Governance#
- legitimacy
- intervention pressure
Resources are a primary cascade vector.
Feedback Loops#
Common feedback patterns:
- scarcity ↔ stress
- abundance ↔ growth ↔ strain
- hoarding ↔ panic
Resource feedback loops often accelerate transitions.
Simulation Hooks#
Resource dynamics expose:
- stock levels
- flow rates
- depletion thresholds
- replenishment delays
- policy levers
These hooks enable scenario testing and intervention modeling.
Failure Modes#
Resource failure often emerges from:
- over‑centralization
- lack of redundancy
- delayed response
- inequitable distribution
- ecological overshoot
Resource collapse is rarely sudden — it is ignored until visible.
Integration Notes#
Resource dynamics:
- constrain all other city systems
- amplify population activation
- expose governance capacity
- define sustainability limits
Cities survive not by ideology, but by metabolic coherence.
Status#
Canonical city‑scale resource dynamics framework.
Designed for extension by specific resource types or technologies.