Biodiversity
human contribution to CO2 rise..
- burning fossil fuels and deforestation (Amazon forest burning)
sea level rise differ by area
-euastice sea level rise is an average -local sea level rise depend on plate tectonics -sea level rise is based on perspective -is land is rising, sea level rise is inherently decreasing -has to do with Frame of reference
measure CO2 in atmosphere
-ice cores -air collection sample
two major causes of global sea level rise
-thermal expansion (warming of the ocean, warm water expands) - and increase melting of land-based ice, such as glaciers and ice sheets )
historical contributors to sea level rise
50 percent=warming, warm water expands and takes up more space) 25percent=melting mountain glaciers 25 percent =melting ice shell
Biome
A group of ecosystems that share similar climates and typical organisms Described by the temp and precipitation of an area but are defined by the animals and plants that live in a major an habitat
Endemic species
An indigenous species found in only geographic area on earth Ex. Venus fly trap indengious to south and North Carolina
elevation effect
As elevation increase, temperatures decrease
atmospheric CO2 levels during the last 400,000 years
Atmospheric CO2 levels fluctuate periodically, with the highest levels occurring during interglacial periods.
ice core samples measure
CO2 ice core data confirm CO2 measurements taken directly from the atmosphere. Ice cores can help scientists estimate atmospheric CO2 levels from hundreds of thousands of years ago.
statements is true regarding CO2?
CO2 is released as a product of respiration. .CO2 is a greenhouse gas. CO2 plays a vital role in maintaining Earth's temperature. CO2 can be produced by natural and man-made processes.
Deserts found at 23-30 degrees latitude
Descending air masses warm as they go ,absorbing more water vapor
Biodiversity
Different organism living in a habitat or ecosystem Genetic diversity,species or even domains (eukaya, bacteria and archaea)
Green house gases
Gases in the atmosphere that trap heat Co2 carbon dioxide Ch4 methane N2o nitrous oxide
Greenland or Antarctica contribute more to sea level rise
Greenland
Ecosystem
Interaction between living organisms and their physical environment
rain shadow effect
Mountains block the passage of rain producing (wet) are leaving a dry shadow behind the mountain
biological carbon cycle
Movement of carbon between photosynthesis and respiration occurs when plants absorb carbon dioxide and sunlight to make glucose and other sugars (carbohydrates) to build cellular structures
O2 vs CO2
O2 levels decrease as CO2 levels increase.
6CO2 + 6H2O → C6H12O6 + 6O2
Photosynthesis requires carbon dioxide and water for the production of sugar and oxygen. photosynthesis equation
Biodiversity hotspot
Physical region with high biodiversity and many endemic species
Carbon sources
Produce carbon Respiration, ocean ridges(underwater volcanoes), volcanoes and humans
Half earth project
Project understand Humanity can't save entire planet so this project try's to protect the most diverse places Protect areas if high biodiversity Allows for the most biodiversity and endemic species to stay alive
Physical factors that determine regional climate
Solar radiation Topography (elevation) Air and ocean circulation
If the Earth spun on an axis that was perfectly perpendicular to the equator, how might this affect the light at the Arctic Circle?
Solar radiation would strike the Arctic Circle every day.
What increases biodiversity
Space The physical size directly correlated with how many different species can live there
Biodiversity importance
Stabilizes ecosystem(disease and natural disaster) Protects limited resources (stabilizing water during floods) Climate stability (it cleans water )
global warming vs. the greenhouse effect
The greenhouse effect can lead to global warming.
climate
The long-term weather patterns at a particular location A general trend Over decades
Primary productivity rate
The rate of photosynthesis and it is most commonly seen in areas around -equator in terrestrial biomes -coasts in aquatic biome
no pronounced seasons at the equator
The sun hits the equator more directly than any other latitude throughout the whole year. The amount of insolent radiation from the sun that strikes the Earth is not the same everywhere because the Earth is round. The amount of energy from the sun at regions around the equator is concentrated in a smaller area. The same amount of radiation is coming from the sun at the poles, but is distributed across a larger area.
What causes seasons
The tile of the earth , because sunlight per unit of area different areas Poles have larger area with same amount of sunlight that the equator gets . Since the same amount of sunlight has to cover the larger area it is not as warm but the equator has a smaller area for the same about of sunlight
short term carbon cycle
This cycle started at the beginning of life Cyanobacteria start photosynthesis
Tropical biomes higher biodiversity
Tropical habitats existed longer Organisms become highly specialized due to competition Evolution happens faster due to reproductive rate Climate stability protects species during mass extinction events
Deserts caused by a rain shadow occur on the east side of the Sierra Nevada range in California. Why does the desert exist on the east side, but not the west side of the range
Warm, moist air coming off the ocean rises as it encounters the mountain range and releases all its water as it moves up the mountain and the air cools. Dry air moving down the other side of the mountain causes arid desert. Warm air holds more water than cold air. Air coming off the coast is warm and carries water from the ocean. When this air cools, it releases the water. The now dry air continues to move east and will result in dry arid regions on the other side of the mountain.
Keeling Curve
a graph which plots the ongoing change in concentration of carbon dioxide in Earth's atmosphere since 1958 levels of carbon dioxide in the atmosphere is increasing every year
Photosynthesis and respiration both play a major role in the _____ carbon cycle and can affect atmospheric CO2 levels on a seasonal or annual biomes
biological short-term carbon cycle
carbon levels in season
carbon levels rise in the Winter( photosynthesis is not occurring as much, so photosynthesis can't consume carbon. carbon levels fall in the summer (lots of photosynthesis occurring to consume carbon)
Carbon sinks
consume carbon where carbon goes Photosynthesis, forest, ocean, sedimentary rocks and soil or other natural environment viewed in terms of its ability to absorb carbon dioxide from the atmosphere.
The observation that atmospheric CO2 levels were typically low during glacial periods in Earth's history is an example of:
correlation.
A general trend in global biodiversity is a gradient of:
decreasing diversity moving from the equator toward the poles.
Nearly 150 years ago, man-made CO2 was introduced into the atmosphere primarily through _____. Currently, _____ is the main contributing factor to increased levels of human-produced CO2 in the atmosphere.
deforestation; the burning of fossil fuels
Nyc Jamaica marsh
described as a "sediment starved system" meaning sediment is not reaching this area Jamaica bay is near the end of the Hudson River, the sediment in the water is left at many other location further upstream
Seasons are caused by the Earth's elliptical orbit around the sun.
false
greenhouse effect
high level of greenhouse gases trap suns heat in atmosphere warming the planet the trapping of the sun's warmth in a planet's lower atmosphere due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.
In the Northern Hemisphere and Southern Hemisphere, the rate of photosynthesis is _____ in the summer and _____ in the winter.
highest; lowest
Warm air is _____ dense than cold air, and warm air holds _____ moisture than cold air.
less; more
Geologic Carbon Cycle
long term cycle regulates the CO2 concentration in the earth's atmosphere along with biologic carbon cycle contributors include.. -mountain lifting -volcanic activity -subduction. Movement of carbon through earths regions (atmospheric,surface of earth , earths core) governed by long term physical process
living shorelines
marshes low-lying land that become flood during wet seasons and high tide
reservoir of carbon (sink)
oceans organisms soil the atmosphere
Which biological process accounts for maximum CO2 levels observed in spring (May) and for lowest CO2 levels observed in fall (September)?
photosynthesis Consider that when deciduous trees drop their leaves over winter, they no longer perform photosynthesis. This decreases the amount of carbon being fixed into their tissues during winter months. Carbon being removed from the atmosphere increases when the trees grow new leaves in the spring.
The movement of Earth's crust, plate tectonics, contributes to the long-term carbon cycle through all of the answer choices except:
photosynthesis. because photosynthesis contrbutes to short term
Photosynthesis _____ the atmosphere, whereas respiration _____ the atmosphere.
removes CO2 from; introduces CO2 to
C6H12O6 + 6O2 → 6CO2 + 6H2O represents the process of
respiration.
graphically sea level rise
rising for centuries but right now the rise is become more rapid then every seen before
Temperature differences on Earth are caused primarily by
the amount of solar energy received per unit area at each latitude.
Which of the choices would you expect to observe as you go from the base to the top of a mountain?
the same pattern of climate and biome change one would experience if hiking from low to high latitude
annual keeling curve
the short term trends of. this curve shows an annual oscillation
weather
the short-term state of the atmosphere, including temperature, humidity, precipitation, wind, visibility, heat,dryness and sunshine
If the Earth spun on an axis that was perfectly perpendicular to the equator:
there would be no seasonality in climate.
The ocean, much like the atmosphere, can serve as a sink for man-made CO2. In fact, both Earth's atmosphere and the ocean store roughly equal amounts of man-made CO2.
true
Of the processes involved in the long-term carbon cycle, which introduces CO2 back into the atmosphere?
volcanism
Eustatic sea level rise
worldwide changes in sea water level average sea level across the planet not applicable to a single location