RESOURCES Water, Soil, and Minerals. Presented By: Sandrine Nattkemper - Shary Trent - Travis Giannini Aly Shimp - Heather Doyle - Bryan Gronemeier. We will describe the processes relating to… Water Soil Minerals We will also consider… - PowerPoint PPT Presentation
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
RESOURCESRESOURCESWater, Soil, and MineralsWater, Soil, and Minerals
Potential adverse environmental impacts due to Potential adverse environmental impacts due to the use of current and future resourcesthe use of current and future resources
What is a Resource?What is a Resource? A material source of fresh water, a mineral A material source of fresh water, a mineral
deposit, or other substances that occurs in a deposit, or other substances that occurs in a natural state and has economic value.natural state and has economic value.
The word The word resourceresource was derived from the was derived from the Latin Latin wordword:: resurgere, meaning: to rise resurgere, meaning: to rise
Now let’s talk aboutNow let’s talk about WaterWater
WateWaterras a Resourceas a Resource
Why is water important?
• All animals including humans need fresh water to survive.
• At a basic level, everything we eat has some water in it.
FOOD# Gallons to createa single serving
almonds 12
chicken 408
French fries 6
hamburger 1303
lettuce 6
milk 65
rice 36
steak 2607
tomatoes 3
watermelon 100
Where do we find fresh water ?Where do we find fresh water ?
Lakes Rivers Snow Pack Icebergs
These sources are commonly known as These sources are commonly known as Surface Surface Water…Water…
Another source of fresh water is found Another source of fresh water is found underground…underground…
•Groundwater is where most of our fresh water is withdrawn. Groundwater is where most of our fresh water is withdrawn.
Sub-Surface Aquifers/Reservoirs Sub-Surface Aquifers/Reservoirs •ConfinedConfined•Unconfined – Tends to be the most polluted…Unconfined – Tends to be the most polluted…
The filling of Aquifers are influenced by The filling of Aquifers are influenced by •PorosityPorosity•PermeabilityPermeability
If the total supply of water on the planet war If the total supply of water on the planet war represented by a fifty-five gallon drum, then;represented by a fifty-five gallon drum, then;
-53 Gallon
-1 pint
-12 ounces
Ocean
-1 Gallon
-12 ounces
Ice Caps
1 pint
Atmosphere
Groundwater
Freshwater
Soil Moisture
All Rivers
Once the resource of Once the resource of Water is located...Water is located...
It’s uses are then It’s uses are then categorized.categorized. Consumptive UseConsumptive Use
No Re-ChargeNo Re-Charge Non-Consumptive UseNon-Consumptive Use
Water use in the United States:Water use in the United States:
48% - Thermoelectric power48% - Thermoelectric power
34% - Irrigation34% - Irrigation (water for growing crops, golf courses, (water for growing crops, golf courses, etc.)etc.)
11% - Public Supply11% - Public Supply (water delivered to our homes (water delivered to our homes and businesses by water departments)and businesses by water departments)
5% - Industrial5% - Industrial – (Manufacturing, making of goods, – (Manufacturing, making of goods, etc.)etc.)
So, If we take the Water from the So, If we take the Water from the ground and do not replace it… What ground and do not replace it… What can occur?can occur?
As the world population increases.As the world population increases. So does the demand for this resource.So does the demand for this resource.
The evidence suggests resource shortages for the The evidence suggests resource shortages for the future as well as other hazardous events like future as well as other hazardous events like sinkholes and/or subsidence.sinkholes and/or subsidence.
What can we do… ?
Practice ConservationPractice ConservationLimit water waste in the home.Limit water waste in the home.
Water lawns in the morning.Water lawns in the morning. Avoid traditional lawns and lean towards ground Avoid traditional lawns and lean towards ground
covering.covering.
Change irrigation habits.Change irrigation habits. Shifting crops where rain is abundant.Shifting crops where rain is abundant. Reduce water transfer through open ditches to limit Reduce water transfer through open ditches to limit
evaporation.evaporation.
Interbasin Transfer of Surface WaterInterbasin Transfer of Surface Water Movement of water from one region to another.Movement of water from one region to another.
Desalination Desalination - - Purification to make water usable. (5x more Purification to make water usable. (5x more costly)costly)
Filtration Filtration Distillation Distillation Now let’s talk about Soil
What is Soil ?What is Soil ?
“Engineers call soil anything they can move without blasting.”—Jeff
Tolhurst
What We Use Soil ForWhat We Use Soil For
AgricultureAgriculture Natural and semi-natural Natural and semi-natural
vegetationvegetation Microscopic organisms domainMicroscopic organisms domain Habitat Habitat Water control and distributionWater control and distribution Building and constructionBuilding and construction ArcheologyArcheology
ProblemsProblems ErosionErosion
The dislodgement of soil The dislodgement of soil particlesparticles
Problems ContinuedProblems Continued Topsoil – the rich organic top layer- is lost, which Topsoil – the rich organic top layer- is lost, which
leads to reduced ability to farmleads to reduced ability to farm Sediment deposition run off water that carries Sediment deposition run off water that carries
particles into existing bodies of water, which leads particles into existing bodies of water, which leads to loss of water qualityto loss of water quality Sediment is currently classified as a pollutantSediment is currently classified as a pollutant 750 million tons enters lakes and streams750 million tons enters lakes and streams Decreases water quality and may harm wildlife – Decreases water quality and may harm wildlife –
even worse when sediment contains toxic residue even worse when sediment contains toxic residue from agricultural developmentfrom agricultural development
Coho Salmon migration and mating processes Coho Salmon migration and mating processes impeded because sediment smothered the gravel impeded because sediment smothered the gravel beds – they’re now on endangered species listbeds – they’re now on endangered species list
Strategies for Reducing Strategies for Reducing ErosionErosion
Land Use Planning – Land Use Planning – Reducing the Reducing the velocity agent while also protecting the soil from velocity agent while also protecting the soil from its effectsits effects
Leaving stubble in the fields after a crop harvest, planting Leaving stubble in the fields after a crop harvest, planting cover crops in off-season, and in between cropscover crops in off-season, and in between crops
Wind damage can be slowed by planting hedges, rows of Wind damage can be slowed by planting hedges, rows of trees, and low fencestrees, and low fences
Sediment pollution prevention hay bales and wattles placed Sediment pollution prevention hay bales and wattles placed at bottom of hills or construction/agricultural sitesat bottom of hills or construction/agricultural sites
Off-road vehicles restricted only to prescribed trailsOff-road vehicles restricted only to prescribed trails Urban construction sites clear the land in stages, leaving Urban construction sites clear the land in stages, leaving
less time for bare soil to be exposedless time for bare soil to be exposed
Let’s move our attention to Minerals and Rock’s
Mineral and Rock Mineral and Rock ResourcesResources
Ore DepositsOre Deposits
Types of Mineral DepositsTypes of Mineral Deposits
Examples ofExamples of Mineral and Rock Resources…Mineral and Rock Resources… MetalsMetals IronIron AluminumAluminum Copper, Leads, Zinc, Nickel, Cobalt, ECT.Copper, Leads, Zinc, Nickel, Cobalt, ECT.
Salt ……………..43,900, Salt ……………..43,900, 50,20050,200 Clays ………….. 40,700, Clays ………….. 40,700, 35,90035,900 Phosphate ……35,800, Phosphate ……35,800, 37,70037,700
Minerals for the Future: Some Options ConsideredMinerals for the Future: Some Options Considered It would be best to reduce consumption rates; however it is not very likely. If It would be best to reduce consumption rates; however it is not very likely. If
demand cannot be cut then we must find ways to increase our supplies, or demand cannot be cut then we must find ways to increase our supplies, or extend them…extend them…
New Methods in Mineral ExplorationNew Methods in Mineral Exploration Marine Mineral ResourcesMarine Mineral Resources Conservation of Mineral ResourcesConservation of Mineral Resources Impacts of Mining ActivitiesImpacts of Mining Activities Mineral ProcessingMineral Processing
ConclusionConclusion
Today we have discussed the Today we have discussed the recourses of water, soil, and mineralsrecourses of water, soil, and minerals
We are consuming more than we are We are consuming more than we are producingproducing
We need to conserve, find new We need to conserve, find new methods of use, and new resourcesmethods of use, and new resources