Oceanography questions and answers in December 2022

Evidence-Interpretation Log Evidence is a piece of information - such as an observation or measurement - that helps explain how we know what we know. When describing evidence, it will usually be somet...
1. List three reasons that caused and/or enabled the boom in European ocean exploration in the 15th century.   2. How is the Indian Ocean different from the Atlantic or the Pacific? List three reason...
1.  2. Mauna Loa is famous for: The following multiple-choice options contain math elements, so you may need to read them in your screen reader's "reading" or "browse" mode instead of "forms" or "foc...
1.  2.   . The figure below depicts concentration profiles for dissolved inorganic carbon (DIC), nitrate, and oxygen (02) in the north Pacific Ocean. The Y axis is Depth (0 to 5) kilometers. 2 3 20...
1. Where do we find evidence for macronutrient limitation of photosynthesis? Choice 1 of 5: Center of gyres Choice 2 of 5: Weakly stratified polar oceans Choice 3 of 5: Shelf areas Choice 4 of 5: Equa...
1. Best answer. The ocean sediments of the Bay of Bengal (near India) are exceptionally thick (20,000 m). These sediments arrived in the ocean from: Choice 1 of 5: the collision of two continental pla...
1. What is the BEST reason why some chemical pollutants (e.g. heavy metals such as mercury and synthetic organic compounds) accumulate in concentration in organisms higher in the food chain? Choice 1 ...
1. Forceful northward flowing warm currents in the Northern Hemisphere are: Choice 1 of 5: California and Peru currents. Choice 2 of 5: California and Canary currents. Choice 3 of 5: Oyashio and Bengu...
1. The following are all TRUE characteristics of ocean primary producers, EXCEPT Choice 1 of 5: diatoms, kelp, and red algae are primary producers. Choice 2 of 5: chemosynthesis accounts for 1-2% of a...
1. Photosynthesis is characterized by two kinds of reactions.. One such major reaction pathway was discovered by Berkeley's Nobel Prize winning Melvyn Calvin, and involves the fixation of CO22​% and...
1. Which of the following is NOT true about gyres? Choice 1 of 5: Ekman Transport is one of the major factors in the formation of gyres Choice 2 of 5: The elevation of the sea surface of gyres is due ...
(You don't need the video to asnwer the question). 010.3 At 25 seconds 2 Points At 25 seconds into the video, the amplitude of the wave begins to build. What is happening. 0 The wave is slowing down a...
(You do not need the video to answer the questions). Q10 Sea to Shore 10 Points shallow water wave speed: c=3.1VD m sec-1 deep water wave speed c=1.25VL m sec-I This video of the waters near Bodega Ba...
1.  2. referring to the diagram and table above. The calcite saturation depth is near ____ kilometers Choice 1 of 9: 3.0 Choice 2 of 9: 0.7 Choice 3 of 9: 4.0 Choice 4 of 9: 2.0 Choice 5 of 9: 1.5 Ch...
Complete these 4 exercises.. Q7 CARBON CHEMISTRY 20 Points The amount of C02 in the atmosphere is controlled by abiotic and biotic reactions in the ocean. Some of those reactions are listed below. in ...
In the following questions we consider an Earth just like our Earth except is is rotating in the opposite direction. All other aspects of this retrograde Earth are the same as on our Earth. (Unchanged...
1. The image below was taken from an altitude of ~10,000 m over Greenland during July 2019. The image shows blue features. We know that these are liquid water lakes because... Choice 1 of 4: water flu...
 The following diagram illustrates a typical vertical distribution of productivity in the open ocean. In the following questions, select the missing word or words from the diagram next to the corresp...
2.1. List four chemical elements or species (compounds) that may limit ocean primary productivity - thus affecting the horizontal distribution of primary productivity in the oceans. 1 pt each, -0.5 pt...
Our oceans have vast resources that humans could utilize including minerals, oil and natural gas, renewable energy, fisheries, and more. Choose ONE resource that our oceans provides and give a brief o...
Atmospheric CO 2 The approach examination of time series data for atmospheric CO 2  concentrations at Mauna Loa, Hawai'i. The website for these data is (Mauna Loa CO 2   https://gml.noaa.gov/ccgg/tr...
 . There are different equations for estimating the speed of a wave (celerity) based on the period of the wave and the wave classification. For deep-water waves, we can use this equation to estimate ...
water masses: Explain the main process of Antarctic Intermediate Water (AAIW) formation and give its TS properties.   Explain the main process of Antarctic Bottom Water (AABW) formation and its resul...
  Above is a figure showing temperature variation (top) and smoothed-out CO2 concentration from the year 1000 to 2000.  What does the pattern imply about the CO2 in the atmosphere and the global sur...
Identify the main flow directions of the surface ocean circulation coming into and flowing back out of the Caribbean Sea, as well as the western boundary current in the North Atlantic Ocean which thos...
In the Fluorescence series, what phenomenon is observed at ~Day 100?  Using each of the physical and chemical variables measured above, summarize the biogeochemical processes that lead to this phenom...
The quantity and speed of near surface water flowing around a random subtropical gyre is different in the poleward than in the equatorward direction. Which direction has the more vigorous and faster f...
 . Question 6 1 pts Spilling breakers are typically associated with which of the following shorelines? O Flat bottomed shorelines. O Steep bottomed shorelines. 0 Very steep bottomed shorelines. O Any...
 . Ocean Productivity: Which regions of the ocean tend to most productive? What characteristics of these areas enables them to sustain substantive fish populations? Various factors influence ocean ...
 . If you traveled by ship eastward across the Atlantic Ocean from New York, New York, to Lisbon, Portugal, where would you expect to traverse the deepest water? Are the deepest waters found in the m...
Intertidal benthic communities generally are arranged in distinctive parallel bands of plant and animal associations termed zonation; zonation reflects optimal conditions for survival of these species...
Most deep-sea marine organisms have water-filled bodies that make it possible to survive the higher hydrostatic pressures that increase with depth. Water-filled bodies exert the same pressure outward ...
In rocky intertidal zonation, the upper limit of a species is often determined by _______ and the lower limit is often determined by _______.   Group of answer choices   photosynthesis ... water pre...
Hypoxia and sometimes anoxia occur in the Chesapeake Bay in the summer because inflow of fertilizers and sewage results in greater plant growth and increased oxygen demand with limited mixing.    Gr...
It entails using the search function to obtain images for the designated latitude and longitude and the time function in Google Earth (it appears as a clock in the bar of options - see Figure 1 below)...
On the NOAA website there is a separate webpage for active stations ( Active Tide Stations ) https://tidesandcurrents.noaa.gov/stations.html?type=Water+Levels in the various regions. From this page th...
List four (4) environmental conditions that deep sea organisms have to deal with.   Give one example of how an organism has adapted to one of these conditions.  Make sure to say what organism and w...
You collected two water samples from Lake Pontchartrain and filtered them through diameter (d) = 25 mm filters to calculate the TSS and particulate C and N concentrations in the water. Using the infor...
This map shows the outlines of the continents with lines of latitude and longitude. Step 1: Print out the map, or you can draw on the map if your computer is a touchscreen   Step 2: Label the map wit...