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Z-A site contents |
How
can we know if the earth's life support systems are functioning well,
or poorly?
Energy
Energy is like pieces
of a puzzle | complexity
beneath appearances | four fundamentals | integrity | forces
Solar
power
What
is energy?
This image graphically displays the concept of ecological tithe.
1. Overview.
Energy and the environment are very much like movable pieces of a puzzle [Rubik's
Cube]. The three dimensional cube defines a reasonably good means to comprehend energy for two reasons.
1.1, There exists three basic universal forces creating environmental resistance that we refer to as energy–the ultimate sources of energy.
1.2, Another way to think about energy as Rubik's cube is
because for every facet of energy you understand there is a corresponding
facet such that to change one characteristic of energy, the other two
facets are altered simultaneously.
Electromagnetic fields or radiant energy pervade the universe, the earth, life and animate our bodies.
2. A Foundation:
forestry, arboreta, & diversity; the problem of sustainability
in Amazon rain forest is a microcosm
of the world's dilemma.
3. The
complex of energy, forces,
flows and feedback:
Gregory Bateson and the model of reality.
4. One
problem of energy lies in the western
origins of attitudes about Nature.
The materials
which make-up nature, as Aristotle
defined, were the dialectical creation of four elements.
But as we have
seen all forms of energy has physical, ecological
and social facets.
Next
Energy
is the ability to do work, alter an existing condition, or the capacity
to regenerate spent fuel to
overcome resistance.
Systemic qualities
in any situation where energy changes from one form to another means
that there are characteristic functions that tie all the parts to a
whole thereby creating an interdependent structure.
We know nature
by disturbing the surrounding universe.
Disturbance: the
deliberate or unintended influence of a single activity, or multiple
activities on a larger pre-existing condition, or entire situation.
Next
Laws
of Matter & Energy
Law of the
Conservation of matter
matter can neither be created nor destroyed – what you start out with in any reaction, you end up with even if it appears differently form the original form of matter.
Laws of Thermodynamics
1st Law:
energy is neither created nor destroyed but remains constant
over time.
2d Law:
energy is constantly degrading every conversion of energy
from one form to another is less than completely efficientthus the energy is more random, less useful and we measure that as
increasing heat.
3d Law:
energy conversion form one form to another produces heat and in the final conversion all energy in the system, or universe is turned to heat–the heat-death of the universe.
Law of the minimum
Growth in the final analysis produces heat; but in all living things is constrained and limited by the ingredient or nutrient needed in the least amount. Thus the essential nutrient present in the smallest amount restricts the rate of growth. Justus von Liebig discovered in 1840 this anomaly in production states that yield is determined by the scarcest resources.
Newton
Three laws of
motion: inertia, gravity, and reciprocity.
The ecological
pyramid is based on the laws of thermodynamics, whose limitations
influence the tapering shape of the design because less and less usable
energy is available at each subsequent level of consumption.
Next
Given the laws of ecology that constrain all systems, a combination of two underlying classes of existence: abiotic or inorganic and biotic or the organic facets of existence cyclically combine due to available energy to form the complexity of ecological systems.
The complexity of
nature
1. distinguish inorganic habitat's parts:
radiation is a limiting factor
area's size, extent geology, & geographical setting
water, energy, air
& land form a resource base
2. recognize the biotic communities'
essential features
vegetation
is the cornerstone of natural productivity
keystone species and the web of numbers
stress functions, rates of turnover, & renewable cycles.
Next
Environmental Resistance
Bacteria are more complicated and important than ever thought.
Next
Miller's
analysis
Three basic
Scientific Laws of matter and thermodynamics
Systems
and feedback loops are a means to understand ecosystems
Sustainable
Earth, low-throughput or low-waste society (Miller; pp. 12,
50-51,60-63)
Population,
energy and resource ratios:
Population,
[P] times energy [E] & divided by resources [R-E] squared
P * E / R-E (squared)
The
result of the equation is net useful energy [ Miller,
89.]
Nourish
the earth or perish!
Next
The
magic of the number is four when considering the products of energy
and the ways western civilization, influenced by the Greeks have thought
about matter and energy.
Land Realism
& geographical regeneration together may be thought of as ways to understand
how four natural products of the landscape require, air, water
and energy.
4
Fs: fuel, food, fiber, & forage are the four outcomes of human uses of ecological capacity.
fuel,
plant and seed oils, petrol, coal, wood, etc.
food,
calories from lipids, fats, proteins.
fiber,
cotton, sisal, hemp, wool, thatch, etc.
forage --
a function, fodder, feed or
for animals
Next
Biological integrity
& species richness rest on the idea that the terrain or habitat is sufficient
to nourish the keystone species of any biological
community.
Habitat as WEAL:
Water
- Energy - Air - Land
4 Rs:
|
1 |
2 |
3 |
4 |
Schooling: |
reading |
'ritin' |
'rithmetic |
reason |
Ecology: |
reduce |
reuse |
recycle |
restore |
In ecology, the
four R's of grammar school have their own equivalent to better examine
how the world works such that students can explain the limitations
imposed on all creatures and ecosystems due to the laws
of the conservation of matter and energy.
Next
functional integrity
The
Earth as a system and ecosystems
as subsystems of the Earth must have sufficient energy to move nutrients,
rearrange materials, and remove wastes in sufficient amount and over
adequate time-periods to not diminish new life from being nourished.
This process functions with integrity based on the assimilative capacity
of the water and air, and the carrying capacity
of the land to nourish emerging life.
See ecological
integrity.
Ecological
integrity is hidden, removed from our
experience, but it is only too obvious when it is not functioning,
as in the case of "waldsturben" or the destruction
of forests by acid precipitation.
Next
Six
concurrent crises today hamper our scientific understanding of
ourselves in the world.
Identity
-- do we know who and what we are?
economy & society of narcissism
biological diversity is being lost
ecological life support system
decay
spirit -- have we lost our souls
in succeeding?
perception is confusing the real
and the ideal
We
do not see the forces at work.
Next
Interpreting
the order we perceive in the world, leaves us with
different understanding
today from the beliefs of our ancient ancestors.
dichotomy |
Ancient
Elements |
vs. |
Modern
Forces |
1 |
Earth
|
Gravity |
2 |
Air
|
Electromagnetism |
3 |
Fire
|
Fission
– weak |
4 |
Water
|
Fusion
– strong |
Four
forces, or are we able to unify electromagnetism with the weak force
and explain the universe as the product of three
forces?
Next
Three forces, not four, are what
some unification theorists suggest:
- Strong,
hydrogen fusion into helium fuels the stars.
- Electro-weak,
radioactive decay emits three forms of radiation.
- Gravitational,
space is warped by mass.
The search for fundamental
explanations of complex relations is one job of science.
1. Overview, pieces of a puzzle [Rubric's Cube]
2. foundation a problem of sustainability
in the Amazon rain forest
3. Energy, systems and forces In our own
back yard.
4. Western origins of Nature
Miller's text
Rubik's "magic" cube is a 3-D combination puzzle invented in 1974 by Hungarian sculptor and professor of architecture Ernö Rubik.
|