Lake Washington: Change Over Time Let’s Review:

What is Geography?

The study of the earth's surface; including people's responses to topography and climate and soil and vegetaon Five Themes of Geography Five Themes of Geography 1. Locaon – relave and absolute

Locaon Example: Internaonal School Absolute Locaon: Global Locaon: (Latude and Longitude) Local Locaon: (Street Address) Latude = 47.6 N, Longitude = -122.17 W 445 128th Ave SE Bellevue, WA 98005 Relave Locaon: 2 blocks west of Kelsey Creek Park Five Themes of Geography 1. Locaon – relave and absolute 2. Place - human and physical characteriscs of a locaon

Physical Characteriscs Example: Mount Rainier Human Characteriscs Example: Bellevue's Cultural Diversity The percentage of nonwhite residents jumped from 14 percent in 1990 to 26 percent in 2000 and 32 percent in 2005. Immigrants from China, India, Russia and Mexico come to Bellevue for everything from Microso jobs and manual labor to good schools and parks, city officials said. – Seale Times Five Themes • Adaptaon: Adaptaon Example: of Geography Clothing 1. Locaon – relave and absolute …wearing clothing that is suitable for 2. Place - human and physical summer and winter; characteriscs of a locaon rain and shine. 3. Human-Environment Interacon how humans adapt to and modify the environment • Modificaon: Modificaon Example: Bridge

…creang bridges to improve transportaon. Movement of Humans Example: Five Themes Opening Day on Lake Washington of Geography 1. Locaon – relave and absolute 2. Place - human and physical characteriscs of a locaon 3. Human-Environment Interacon how humans adapt to and modify the environment 4. Movement – migraon of humans and movement of ideas, goods and resources across the planet

Movement of Ideas Example: Hiram M. Chienden Locks (Ballard Locks) Five Themes Regional Percepon Example: Salmon of Geography • …can be defined by people's percepon 1. Locaon – relave and absolute 2. Place - human and physical characteriscs of a locaon 3. Human-Environment Interacon how humans adapt to and modify the environment 4. Movement – migraon of humans and movement of ideas, goods and resources across the planet 5. Region - characterisc that unifies the area Administrave Percepon Example: King County •… can be defined by governmental or administrave boundaries Change Over Time: Natural Changes to Geography What causes natural changes to our geography? Wind and water erosion is inevitable along Washington's weather worn shores Flooding

Snoqualmie Valley “We are humbled by the power of the flood, listening to the roaring at the confluence below us. We were very aware of the ancient river that once ran through the valley, carving it into the landscape we know today.” (Seale Times) Earthquakes Hurricanes Change Over Time: Human-Made Changes

Bridges Deforestaon More Human-Made Changes

Railroad Tunnels Jees What are some reasons why people want to change the geography? Denny Regrade, Seale Denny regrade before and aer from 1906 and 1908. Note that roughly where the original Washington Hotel stood, a new one sprang up and the building sll stands today.

Denny Hill from 1928, 1936, and 1964. New features from ‘64 include a Space Needle. Lake Washington

Lake Washington

Internaonal School Linking Lake Washington with Puget Sound Lake Washington USGS Map Analysis

This map shows the two different contour lines of land/water from before and aer the lowering of Lake Washington.

1. What are three types of people who live on or use Lake Washington? 2. What are three types of uses for or acvies relang to Lake Washington? 3. Speculate what the impact might be of lowering the lake on people in the area. Lowering Lake Washington

• As you watch the documentary Lake Washington Then and Now, take notes on a T-Chart. Record both advantages and disadvantages of lowering the lake and consequently linking Lake Washington to the Puget Sound. Think about what people wanted to gain by building the ship canal and what the consequences were.

Advantages Disadvantages