--- attributes: ~ caption: Short-term trends in global temperature (blue lines show temperature trends at five-year intervals from 1970 to 2010) can range from decreases to sharp increases. The evidence of climate change is based on long-term trends over 20-30 years or more (red line). (Data from NOAA NCDC). chapter: description: ~ display_name: 'Chapter 34: Appendix 4: Frequently Asked Questions' doi: 10.7930/J0G15XS3 identifier: appendix-faqs number: 34 report_identifier: nca3 sort_key: 340 title: 'Appendix 4: Frequently Asked Questions' url: http://nca2014.globalchange.gov/report/appendices/faqs chapter_identifier: appendix-faqs cited_by: [] contributors: - display_name: 'Scientist : Katharine Hayhoe (Texas Tech University) ' href: http://52.38.26.42:8080/contributor/3758.yaml id: 3758 organization: country_code: US display_name: Texas Tech University identifier: texas-tech-university name: Texas Tech University organization_type_identifier: academic type: organization url: http://www.ttu.edu organization_uri: /organization/texas-tech-university person: display_name: Katharine Hayhoe first_name: Katharine id: 1024 last_name: Hayhoe middle_name: ~ orcid: 0000-0003-3625-1402 type: person url: http://www.katharinehayhoe.com/ person_id: 1024 person_uri: /person/1024 role_type_identifier: scientist uri: /contributor/3758 create_dt: 2013-11-15T08:58:00 description: Short-term trends in global temperature (blue lines show temperature trends at five-year intervals from 1970 to 2010) can range from decreases to sharp increases. The evidence of climate change is based on long-term trends over 20-30 years or more (red line). (Data from NOAA NCDC). display_name: '34.6: Short-term Variations Versus Long-term Trend' files: - display_name: CAQ_average_annual_global_temp_V7.png file: b6/ef/2f4c9bb96898e770445d71277da9/CAQ_average_annual_global_temp_V7.png href: http://data.globalchange.gov/assets/b6/ef/2f4c9bb96898e770445d71277da9/CAQ_average_annual_global_temp_V7.png identifier: e0ca08f4-6aa3-483e-ad2d-0786670fadb5 landing_page: ~ location: ~ mime_type: image/png sha1: ebc4004e9f7dee8b1243232eae771266281f7f60 size: 139568 thumbnail: b6/ef/2f4c9bb96898e770445d71277da9/.thumb-e0ca08f4-6aa3-483e-ad2d-0786670fadb5.png thumbnail_href: http://data.globalchange.gov/assets/b6/ef/2f4c9bb96898e770445d71277da9/.thumb-e0ca08f4-6aa3-483e-ad2d-0786670fadb5.png type: file uri: /file/e0ca08f4-6aa3-483e-ad2d-0786670fadb5 url: http://data.globalchange.gov/assets/b6/ef/2f4c9bb96898e770445d71277da9/CAQ_average_annual_global_temp_V7.png href: http://52.38.26.42:8080/report/nca3/chapter/appendix-faqs/figure/short-term-variations-versus-long-term-trend.yaml identifier: short-term-variations-versus-long-term-trend images: - attributes: ~ create_dt: 2013-11-15T08:58:00 description: ~ identifier: 108f029d-07b3-4dc8-b5fb-fac0fa52277d lat_max: 90.00 lat_min: -90.00 lon_max: 180.00 lon_min: -180.00 position: ~ submission_dt: ~ time_end: 2010-12-31T23:59:59 time_start: 1970-01-01T00:00:00 title: Short-term Variations Versus Long-term Trend url: ~ usage_limits: ~ kindred_figures: [] lat_max: ~ lat_min: ~ lon_max: ~ lon_min: ~ ordinal: 6 parents: [] references: [] report: display_name: 'Climate Change Impacts in the United States: The Third National Climate Assessment' report_identifier: nca3 source_citation: ~ submission_dt: ~ time_end: ~ time_start: ~ title: Short-term Variations Versus Long-term Trend type: figure uri: /report/nca3/chapter/appendix-faqs/figure/short-term-variations-versus-long-term-trend url: http://nca2014.globalchange.gov/report/appendices/faqs/graphics/short-term-variations-versus-long-term-trend usage_limits: Free to use with credit to the original figure source.