{"query_echo":{"q":"","filters":{"geography":["Butte Creek"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'Butte Creek' for facet 'geography' is not in the controlled vocabulary."}]},"total":{"value":2,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?geography=Butte+Creek","stability":"beta","ai_marking":{"digital_source_type":{"uri":"http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia","name":"Created using Generative AI"},"notice":"Summary and key insights are generated using artificial intelligence."},"results":[{"id":"sei-000491","url":"https://climateinsightsdirectory.org/document/sei-000491","title":"Water management, Chinook salmon, California, climate change","publisher":{"name":"Stockholm Environment Institute","organization":"stockholm-environment-institute"},"document_type":"research paper","language":"en","date_published":"2011-08-29","source_url":"https://www.sei.org/publications/water-management-chinook-salmon-california-climate-change/","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"Using WEAP and SALMOD models, the study finds that climate change leads to lower summer base flows and higher water temperatures in Butte Creek, increasing adult thermal mortality for spring-run Chinook salmon. While ceasing water diversion for power production improves survival time, the authors conclude that simple operational changes are unlikely to prevent the long-term extinction of the species in this location.","ai_generated":true,"unit":"sei-000491#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Climate change scenarios simulated via the WEAP model result in higher water temperatures and lower summer base flows compared to historical conditions, which the SALMOD model indicates leads to population declines and increased thermal mortality for adult salmon during the summer.","ai_generated":true,"unit":"sei-000491#insight-1","date_modified":"2026-10-23"},{"text":"Among the tested management adaptations, only the cessation of water diversion for power production from the summer holding reach successfully lowered water temperatures and extended the survival time of the population, though this comes at the cost of significant power production losses.","ai_generated":true,"unit":"sei-000491#insight-2","date_modified":"2026-10-23"},{"text":"The study concludes that spring-run Chinook salmon in Butte Creek are unlikely to survive in the long term due to climate change, as simple adjustments to water operations are insufficient to significantly reduce their vulnerability to extinction.","ai_generated":true,"unit":"sei-000491#insight-3","date_modified":"2026-10-23"}],"climate_tags":["climate change","water management"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["predictive modeling","impact assessment"]},{"id":"earjust-000062","url":"https://climateinsightsdirectory.org/document/earjust-000062","title":"Protecting Spawning Salmon in Butte Creek","publisher":{"name":"Earthjustice","organization":"earthjustice"},"document_type":"case study","language":"en","date_published":"2004-10-06","source_url":"https://earthjustice.org/case/butte-creek-ferc-consultation","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document details the struggle to protect spring-run Chinook salmon in Butte Creek, California, from the effects of water diversions by Pacific Gas & Energy's DeSabla-Centerville hydroelectric project. It highlights the species' vulnerability to low flows and high temperatures, the role of the Centerville Head Dam in blocking habitat access, and the legal pressure applied by Earthjustice to secure adequate water for spawning fish.","ai_generated":true,"unit":"earjust-000062#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Water diversions by Pacific Gas & Energy (PG&E) for electricity generation have reduced the deep, cold pools necessary for spring-run Chinook salmon to survive the summer, contributing to massive fish kills in 2002 and 2003.","ai_generated":true,"unit":"earjust-000062#insight-1","date_modified":"2026-10-23"},{"text":"The population of adult spring-run Chinook returning to Butte Creek saw a significant decline between 2005 and 2009, dropping from nearly 17,000 to 2,561.","ai_generated":true,"unit":"earjust-000062#insight-2","date_modified":"2026-10-23"},{"text":"The Centerville Head Dam acts as a major barrier to fish restoration by almost entirely blocking salmon from accessing the upper watershed of Butte Creek, and PG&E's 2007 license application proposed no mitigation for this habitat loss.","ai_generated":true,"unit":"earjust-000062#insight-3","date_modified":"2026-10-23"},{"text":"Legal threats from Earthjustice regarding the illegal 'taking' of protected fish have likely influenced the Federal Energy Regulatory Commission (FERC) and PG&E to agree to provide sufficient water for spawning salmon.","ai_generated":true,"unit":"earjust-000062#insight-4","date_modified":"2026-10-23"}],"climate_tags":["hydroelectricity","biodiversity loss","drought"],"geography_discussed":["San Joaquin River system","Sacramento River"],"frame_perspective":[],"analysis_type":["case study"]}]}