CSU East Bay, GEOG/ENVT 340 26 points plus extra credit Midterm Exam # 2, Fall

CSU East Bay, GEOG/ENVT 340 26 points plus extra credit Midterm Exam # 2, Fall 2020 Name_______________________________________ Tuesday, November 3, 2020 This exam covers Chapters 8 through 15: Orbital-scale climate change, insolation control of monsoons and ice sheets, orbital scale changes in CO2 and CH4, climate during and after the LGM. There are 14 questions (26 points) Directions: download the file and save it on your computer. Complete the exam, save the file in either doc(x) or pdf formats, and email it to . You have 12 hours for both Part I (Quiz) and Part II of the exam. This exam must be returned via email no later than 9 pm on Tuesday, November 3. Section A. Diagram Analysis, fill-in-the-blanks, and short answer questions. For fill-in-the blank questions, choose the correct italicized word in the parenthesis when available. 1). Approximately 11,500 years from today, the June 21 solstice position near perihelion will (increase or decrease) ___increase_______________ Northern Hemisphere’s summer radiation (1 point). 2). If the Earth’s axis was _vertical or perpendicular_____ (tilted, horizontal, vertical, perpendicular, parallel, circular) in respect to the orbital plane, the length of every day would be the same everywhere on Earth (1 point). 3). The orbital monsoon theory suggests that monsoonal strength is modified by a(an) __23K-year precessional cycle________ (41-thousand -year obliquity cycle, 100-thousand-year eccentricity cycle, 23-thousand-year precessional cycle, seasonal change, rotation on Earth’s axis, equatorial bulge, carbon dioxide concentration) due