Why would it be important to know this information? Can you think of any vocations for which this information may be vital? Explain why. Ocean Discovery journal Tides 2 8. What could some possible causes of the differences between predicted and observed height? List and explain Acknowledgements This Ocean Discovery Activity was adapted from the Catch the Wave activity on Tides, located at: http//www.ciese.org/rcaltimeproj.html. These activities were developed and disseminated by The Center for Innovation in Engineering and Science Education (CIESE) at Stevens Institute of Technology. CIESE's enhanced mission is to catalyze and support excellence in teaching and learning of science, technology, engineering, mathematics (STEM) and other core subjects through innovative, research-based instructional strategies and use of novel technologies. About the Earth Discovery Project The Earth Discovery Project is a collaborative effort to integrate hands-on discovery-based learning with modern research tools in undergraduate geoscience education. The approach is to develop and EARTH disseminate a comprehensive set of learning resources and experiences supporting systemic educational birevery reform. The logo of the Earth Discovery Project portrays the earth as a three-dimensional puzzle. The Project globe used in the logo is from NASA's Blue Marble Project. The Blue Marble is a unique view of the earth, which integrates numerous data sets to construct a "true-color" three-dimensional globe. Marble Project. The Blue Marble is a unique view of the earth, which integrates numerous data sets to construct a "true-color" three-dimensional globe.

2. Based on the data collected, can you predict at what time the next high and low tide will occur for each location? Predicted vs. Actual Tide Measurements 3. What was the predicted high and low tides over the period graphed? Record the information below: Tide Station Predicted Tide Observed Tide (Gulf Coast High) (Gulf Coast Low) (Atlantic Coast High) (Atlantic Coast Low) (Pacific Coast High) (Pacific Coast Low) Note: Running the cursor over the graph can give you high and low water valives.. 5. Were there any differences between the predicted and actual water heights? Explain 6. From analysis of the graphs, can you determine if tomorrow's predictions will hold true? Explain. 7. Why would it be important to know this information? Can you think of any vocations for which this information may be vital? Explain why.

Discovering Tides Follow the instructions below and use these sheets to record your answers to the Ocean Discovery Tides exercise. You will be using real datasets and information gathered online to complete these activities. You need to complete ALL sections of the exercise recording your answers on this worksheet as you go. These answer sheets should be added to your Ocean Discovery Journal for review and later assessment. Types of Tides Distinguishing Between Diurnal, Semidiurnal, and Mixed Tides Procedure On your browser go to: NOAA Tides & Currents: https://tidesandcurrents.noaa.gov Use the real time data available from tide monitoring stations listed on the NOAA website. When you enter the site you will see a map of the United States. Select one state from the East (Atlantic Coast), Gulf Coast, and West (Pacific) Coast of the United States. Note: Pacific coast refers to the West Coast on the selection tool. The Pacific in the selection tool refers to Hawaii and other island coastlines of the Pacific Ocean. When you select a state a map will come up showing you data locations that are coded for either water levels (tide stations), meteorology (weather stations), or currents (current velocity stations). You can select any of the stations that have water levels including those with meteorology data. Select your station by clicking on the pin for that station. When you click on a station a dialogue box will open Record the station name below for each station you are using. You want to use the actual name not the serial number of the station. In the dialog box click on "Water Levels." This should produce a graph of either verified or preliminary tide data and a blue curve showing the tide prediction. You want to look carefully at each graph before answering the questions. Look at one station at a time and go through the questions below for that station Note: Running the cursor over the graphs will give you high and low water values. Questions 1. Using your graphs determine if the Gulf Coast or the Atlantic Coast are diurnal semidiurnal, or mixed tides Tide Station Coast Type of Tide Gulf Coast Atlantic Coast Pacific Coast Ocean Discovery Journal EARTH

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