{"query_echo":{"q":"","filters":{"analysis_type":["long-term monitoring"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'long-term monitoring' for facet 'analysis_type' is not in the controlled vocabulary."}]},"total":{"value":3,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?analysis_type=long-term+monitoring","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":"iai-002014","url":"https://climateinsightsdirectory.org/document/iai-002014","title":"Plants vs. Streams: Their groundwater-mediated competition at “El Morro”, a developing catchment in the dry plains of Argentina","publisher":{"name":"Inter-American Institute for Global Change Research","organization":"inter-american-institute-for-global-change-research"},"document_type":"research paper","language":"en","date_published":"2020-09-28","source_url":"https://iai.int/wp-content/uploads/2025/01/Plants-vs.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The study analyzes the 'El Morro' catchment in Argentina, where the conversion of native forests to agriculture has led to rising water tables and the emergence of new streams. The authors identify five mechanisms of competition: plants taking water from streams via unsaturated uptake (mechanism 1), focalized saturated uptake in wetlands (mechanism 2), and distributed saturated uptake in forests (mechanism 3); and streams taking water from plants through streambed deepening (mechanism 4) and sediment deposition (mechanism 5). Findings indicate that while unsaturated uptake previously suppressed streamflow, current high water tables have made saturated uptake by forests and wetlands significant, though deepening streams are now actively reclaiming water by lowering local water tables.","ai_generated":true,"unit":"iai-002014#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Over the last four decades, the El Morro catchment experienced a significant rise in groundwater levels, with an average increase of 3.06 meters per decade across 27 monitored wells.","ai_generated":true,"unit":"iai-002014#insight-1","date_modified":"2026-10-23"},{"text":"The rise in groundwater levels was most pronounced in the higher belt of the catchment, where levels climbed by an average of 4.83 meters per decade.","ai_generated":true,"unit":"iai-002014#insight-2","date_modified":"2026-10-23"},{"text":"The study identifies five mechanisms of water competition: plants use unsaturated uptake (1), focalized saturated uptake in wetlands/riparian zones (2), and distributed saturated uptake in the landscape matrix (3); conversely, streams use streambed deepening (4) and sediment deposition (5) to capture water.","ai_generated":true,"unit":"iai-002014#insight-3","date_modified":"2026-10-23"},{"text":"Caldén forests (Prosopis caldenia) demonstrate the ability to use groundwater even when water tables are deep (over 7 meters), causing diurnal fluctuations and seasonal depressions in the water table.","ai_generated":true,"unit":"iai-002014#insight-4","date_modified":"2026-10-23"},{"text":"Stream base flow exhibits a clear seasonal pattern, with lower flows during the rainy and warm season (December to April) due to increased groundwater uptake by plants.","ai_generated":true,"unit":"iai-002014#insight-5","date_modified":"2026-10-23"},{"text":"The total specific water yield at the catchment's closure point was estimated at 19 mm/y based on topographic area and 29 mm/y based on geometric area, representing approximately 3.3% of long-term average rainfall inputs.","ai_generated":true,"unit":"iai-002014#insight-6","date_modified":"2026-10-23"},{"text":"Streambed deepening (mechanism 4) has actively reduced plant water access, as evidenced by the drying of a wetland at site B following the carving of new incisions.","ai_generated":true,"unit":"iai-002014#insight-7","date_modified":"2026-10-23"},{"text":"Long-term remote sensing data (2000-2020) shows a decrease in greenness for croplands and sediment deposits, while forests and grasslands/pastures showed an increase in greenness.","ai_generated":true,"unit":"iai-002014#insight-8","date_modified":"2026-10-23"}],"climate_tags":["groundwater recharge","land-use change"],"geography_discussed":["Villa Mercedes","People's Republic of China","Australia","North America","Africa","Hungary"],"frame_perspective":[],"analysis_type":["eco-hydrological analysis","long-term monitoring","remote sensing analysis"]},{"id":"iisd-001586","url":"https://climateinsightsdirectory.org/document/iisd-001586","title":"IISD Experimental Lakes Area","publisher":{"name":"International Institute for Sustainable Development","organization":"international-institute-for-sustainable-development"},"document_type":"fact sheet","language":"en","date_published":null,"source_url":"https://www.iisd.org/system/files/publications/iisd-ela-brochure.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The IISD Experimental Lakes Area (ELA) is a research facility in northwestern Ontario consisting of 58 lakes and their watersheds used for whole-ecosystem experiments. For over 50 years, the facility has provided long-term data sets used for global climate modelling and has influenced environmental policies, such as those restricting phosphorus to prevent algal blooms. Current and past research focuses include the impacts of climate change, oil spills (specifically diluted bitumen), microplastics, pharmaceuticals (such as synthetic estrogen), and other contaminants like mercury and acid rain.","ai_generated":true,"unit":"iisd-001586#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The IISD-ELA consists of 58 small lakes and their watersheds in northwestern Ontario, Canada, allowing scientists to conduct experiments on whole ecosystems to observe responses from the atmosphere to fish populations.","ai_generated":true,"unit":"iisd-001586#insight-1","date_modified":"2026-10-23"},{"text":"Research at the facility identified phosphorus as the primary driver of algal blooms, which led to global policy changes restricting phosphorus entry into rivers and lakes.","ai_generated":true,"unit":"iisd-001586#insight-2","date_modified":"2026-10-23"},{"text":"The facility maintains one of the world's most comprehensive long-term data sets on freshwater lakes, created since 1968, which supports regional and global climate modelling.","ai_generated":true,"unit":"iisd-001586#insight-3","date_modified":"2026-10-23"},{"text":"The ELA conducts specific research on pollutants and contaminants, including recreating oil spills to study diluted bitumen, proposing whole-lake microplastics experiments, and discovering that synthetic estrogen can cause male fish to produce eggs in their testes.","ai_generated":true,"unit":"iisd-001586#insight-4","date_modified":"2026-10-23"}],"climate_tags":["climate change","oil spill","climate modeling","water pollution"],"geography_discussed":["United States","Great Lakes"],"frame_perspective":[],"analysis_type":["ecosystem experimentation","long-term monitoring","policy analysis"]},{"id":"iisd-001587","url":"https://climateinsightsdirectory.org/document/iisd-001587","title":"IISD Experimental Lakes Area and Climate Change","publisher":{"name":"International Institute for Sustainable Development","organization":"international-institute-for-sustainable-development"},"document_type":"fact sheet","language":"en","date_published":null,"source_url":"https://www.iisd.org/system/files/publications/iisd-ela-climate-change-brochure.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The IISD Experimental Lakes Area (IISD-ELA) reports that mean annual air temperatures in Northwestern Ontario have increased by 0.42°C per decade since 1969, exceeding the global average. This warming is contributing to shorter lake ice cover durations, which are projected to decline by another 20–30 days by 2070. The document also notes that lake trout are experiencing habitat loss due to rising surface temperatures and low bottom-water oxygen, and their average length has decreased since the 1970s due to longer summer periods restricting food access. Additionally, the report highlights a trend of lakes becoming darker in Europe and North America due to increased dissolved organic carbon from precipitation.","ai_generated":true,"unit":"iisd-001587#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Since 1969, mean annual air temperatures at the IISD-ELA facility in Northwestern Ontario have risen by 0.42°C per decade, a rate significantly higher than the global average of 0.15-0.30 °C/decade. Warming is occurring more rapidly during autumn and winter months than in the summer.","ai_generated":true,"unit":"iisd-001587#insight-1","date_modified":"2026-10-23"},{"text":"Lake ice cover duration is decreasing in the Northern Hemisphere. In Northwestern Ontario, regional projections indicate that the duration of ice cover will decrease by an additional 20–30 days by 2070.","ai_generated":true,"unit":"iisd-001587#insight-2","date_modified":"2026-10-23"},{"text":"Lakes in North America and Europe are becoming darker due to higher levels of dissolved organic carbon (DOC) entering via precipitation. Projections suggest lakes in Eastern Canada will continue to darken, while those in Western Canada will become lighter.","ai_generated":true,"unit":"iisd-001587#insight-3","date_modified":"2026-10-23"},{"text":"Climate change is negatively impacting lake trout by squeezing their preferred habitat between overheating surface waters and oxygen-poor bottom waters, risking local extinction. Furthermore, the average length of adult lake trout has decreased since the 1970s, which data suggests is linked to longer summer periods that limit their access to food while they are confined to deeper waters.","ai_generated":true,"unit":"iisd-001587#insight-4","date_modified":"2026-10-23"}],"climate_tags":["precipitation"],"geography_discussed":["Canada","Europe","North America"],"frame_perspective":[],"analysis_type":["long-term monitoring","climate projection"]}]}