--- attributes: ~ caption: 'These data products show drying (reds and pinks) across much of Canada, Europe, Asia, and Africa and moistening (green) across the United States, Argentina, Scandinavia, and western Australia. Credit: A. Dai, K.E. Trenberth, and T. Qian, National Center for Atmospheric Research (reproduced from Journal of Hydrometeorology with permission from the American Meteorological Society).' chapter_identifier: ~ cited_by: [] contributors: - display_name: 'Scientist : Aiguo Dai (National Center for Atmospheric Research) ' href: http://52.38.26.42:8080/contributor/21141.yaml id: 21141 organization: country_code: US display_name: National Center for Atmospheric Research identifier: national-center-atmospheric-research name: National Center for Atmospheric Research organization_type_identifier: federally funded research and development center type: organization url: http://ncar.ucar.edu/ organization_uri: /organization/national-center-atmospheric-research person: display_name: Aiguo Dai first_name: Aiguo id: 2859 last_name: Dai middle_name: ~ orcid: ~ type: person url: http://www.cgd.ucar.edu/cas/adai/ person_id: 2859 person_uri: /person/2859 role_type_identifier: scientist uri: /contributor/21141 - display_name: 'Scientist : Kevin E. Trenberth (National Center for Atmospheric Research) ' href: http://52.38.26.42:8080/contributor/21142.yaml id: 21142 organization: country_code: US display_name: National Center for Atmospheric Research identifier: national-center-atmospheric-research name: National Center for Atmospheric Research organization_type_identifier: federally funded research and development center type: organization url: http://ncar.ucar.edu/ organization_uri: /organization/national-center-atmospheric-research person: display_name: Kevin E. Trenberth first_name: Kevin E. id: 2711 last_name: Trenberth middle_name: ~ orcid: 0000-0002-1445-1000 type: person url: http://www.cgd.ucar.edu/staff/trenbert/ person_id: 2711 person_uri: /person/2711 role_type_identifier: scientist uri: /contributor/21142 - display_name: 'Scientist : Taotao Qian (National Center for Atmospheric Research) ' href: http://52.38.26.42:8080/contributor/21143.yaml id: 21143 organization: country_code: US display_name: National Center for Atmospheric Research identifier: national-center-atmospheric-research name: National Center for Atmospheric Research organization_type_identifier: federally funded research and development center type: organization url: http://ncar.ucar.edu/ organization_uri: /organization/national-center-atmospheric-research person: display_name: Taotao Qian first_name: Taotao id: 8235 last_name: Qian middle_name: ~ orcid: ~ type: person url: ~ person_id: 8235 person_uri: /person/8235 role_type_identifier: scientist uri: /contributor/21143 create_dt: ~ description: 'These data products show drying (reds and pinks) across much of Canada, Europe, Asia, and Africa and moistening (green) across the United States, Argentina, Scandinavia, and western Australia. Credit: A. Dai, K.E. Trenberth, and T. Qian, National Center for Atmospheric Research (reproduced from Journal of Hydrometeorology with permission from the American Meteorological Society).' display_name: Linear Trends in the Palmer Drought Serverity Index (PDSI) from 1948 to 2002 files: - display_name: our_changing_planet_2007_48_20090708_1948584756.jpg file: 1d/01/93e87db9d52e949c32593b1bb72e/our_changing_planet_2007_48_20090708_1948584756.jpg href: http://data.globalchange.gov/assets/1d/01/93e87db9d52e949c32593b1bb72e/our_changing_planet_2007_48_20090708_1948584756.jpg identifier: aef65dbc-5943-4315-904b-b66f326a726a landing_page: ~ location: ~ mime_type: image/jpeg sha1: 571c9afa2f27db1434dce3f846034448d57dc719 size: 35758 thumbnail: 1d/01/93e87db9d52e949c32593b1bb72e/.thumb-aef65dbc-5943-4315-904b-b66f326a726a.png thumbnail_href: http://data.globalchange.gov/assets/1d/01/93e87db9d52e949c32593b1bb72e/.thumb-aef65dbc-5943-4315-904b-b66f326a726a.png type: file uri: /file/aef65dbc-5943-4315-904b-b66f326a726a url: http://data.globalchange.gov/assets/1d/01/93e87db9d52e949c32593b1bb72e/our_changing_planet_2007_48_20090708_1948584756.jpg href: http://52.38.26.42:8080/report/ccsp-ocpfy2007/figure/linear-trends-palmer-drought-severity-index-1948-2002.yaml identifier: linear-trends-palmer-drought-severity-index-1948-2002 kindred_figures: [] lat_max: ~ lat_min: ~ lon_max: ~ lon_min: ~ ordinal: ~ parents: [] references: [] report: display_name: 'Our Changing Planet: The U.S. Climate Change Science Program for Fiscal Year 2007' report_identifier: ccsp-ocpfy2007 source_citation: ~ submission_dt: ~ time_end: ~ time_start: ~ title: Linear Trends in the Palmer Drought Serverity Index (PDSI) from 1948 to 2002 type: figure uri: /report/ccsp-ocpfy2007/figure/linear-trends-palmer-drought-severity-index-1948-2002 url: ~ usage_limits: Copyright protected. Obtain permission from the original figure source.