Teacher GuideâEarth Science Module - Estuaries NOAA

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2b. What do you think is the most likely source of pollution and contamination along the river you investigated?Answer: Most of the land is composed of fields upriver. Runoff from farms carries fertilizer and animal wastes into the river andsubsequently into the estuary and bay complex.2c. Can you see any evidence that contaminants are being released in the estuary and San Francisco Bay?Answer: Students should be able to see sediment plumes in evidence at various places where the rivers enter Suisun and San PabloBays.Part 3 — Water Quality at the Mouth of a Watershed3a. Predict how this event would affect these water quality factors in the estuary:Answer: Student answers will vary.3b. Consult the Student Data Sheet 2 — Water Quality Data to look for evidence of a major storm event that occurredin 2006 and list its approximate dates.Answer: A major rain and storm event appears to have taken place in October between the 12th and the 16th based on theenormous increase in turbidity and drop in salinity.3c. What happened to each of the water quality indicators during and immediately following this event?Answer:water surface temperature: temperature dropped almost 2 FpH :changes slightly, drops .1 to .2 of a unitdissolved oxygen:stays about the sameSalinity:salinity decreased due to the influx of fresh water and stayed low for many daysTurbidity:quadrupled (200 to 800 NTUs)3d. How well did your predictions match what actually happened during the storm event?Answer: Student answers will vary.Earth Science Module—Activity 36
3e. What geologic landforms, features, farming, or industrial concerns affect the quality of water at the mouth ofyour local watershed?Answer: Student answers will vary.Part 4 — Mapping Your Local Watershed4a. Compare the watershed model you made with the watershed formed by the Sacramento and San Joaquin Rivers.How are they similar? How are they different?Answer: Answers will depend on your watershed and its characteristics.4b. What geologic landforms, features, farming, or industrial concerns affect the quality of water in the estuary ormouth of your local watershed?Answer: Answers will depend on your watershed and its characteristics.Earth Science Module—Activity 37
Page 1 and 2: Teacher Guide—Earth Science Modul
Page 3 and 4: AlternativesIf you want to use a lo
Page 5 and 6: Teacher Worksheet with AnswersActiv
Page 7 and 8: Part 3 — Estuary Landforms and Fe
Page 9 and 10: Student Reading—2Activity 1: Intr
Page 11 and 12: Student Worksheet - 1Activity 1: Ob
Page 13 and 14: 2g. When you arrive at Blakely Isla
Page 15 and 16: Part 3 — Estuary Landforms and Fe
Page 19 and 20: ProcedurePart 1 — Tides in Chesap
Page 21 and 22: Part 4 — Salinity as Measured by
Page 23 and 24: Part 3 — Interaction of Tides and
Page 25 and 26: Student ReadingActivity 2: Estuarin
Page 27 and 28: 1e. Which location do you think has
Page 29 and 30: 3g. Now look at the cross-section v
Page 31 and 32: Student Data SheetActivity 2: Salin
Page 33 and 34: Claybank (CB) Continuous Monitoring
Page 37 and 38: ProcedurePart 1 — Exploring the S
Page 39: Teacher Worksheet with AnswersActiv
Page 43 and 44: Student Reading—1Continues…. Ac
Page 45 and 46: Take a closer look at both the estu
Page 47 and 48: 1e. Describe how the terrain up the
Page 49 and 50: 3b. Consult the Student Data Sheet
Page 51 and 52: Student Data Sheet - 1Activity 3: O
Page 53 and 54: Satellite ViewFigure 7. A satellite
Page 55 and 56: Student Data Sheet - 2Activity 3: W
Page 57 and 58: Figure 13. TurbidityEarth Science M
Page 59 and 60: Federal Point to the north, Smith I
Page 61 and 62: dissolved oxygen, and pH of the wat
Page 63 and 64: Part 3 — Impact of Extreme Weathe
Page 65 and 66: Figure 1. The four major portions o
Page 67 and 68: Use Google Earth to investigate the
Page 69 and 70: 2b. Which NERRS sites had more than
Page 71 and 72: Student Data Sheet—1Activity 4: W
Page 73 and 74: Figure 6 — Twenty-seven sites com
Page 75 and 76: Student Data Sheet—2Activity 4: I
Page 77 and 78: Figure 11 — Water Turbidity in NT
Page 79: 3. Download 2005 data from the Poin

Teacher GuideâEarth Science Module - Estuaries NOAA

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Teacher GuideâEarth Science Module - Estuaries NOAA