| Cover crops control nitrogen and phosphorus transport from two agricultural watersheds at multiple measurement scales SL Speir, JL Tank, MT Trentman, UH Mahl, LR Sethna, BR Hanrahan, ... Agriculture, Ecosystems & Environment 326, 107765, 2022 | 24 | 2022 |
| The case for studying highly modified agricultural streams: farming for biogeochemical insights JL Tank, SL Speir, LR Sethna, TV Royer Limnology and Oceanography Bulletin 30 (2), 41-47, 2021 | 17 | 2021 |
| Cover crops and precipitation influence soluble reactive phosphorus losses via tile drain discharge in an agricultural watershed MT Trentman, JL Tank, TV Royer, SL Speir, UH Mahl, LR Sethna Hydrological Processes 34 (23), 4446-4458, 2020 | 17 | 2020 |
| Exploring silica stoichiometry on a large floodplain riverscape JC Carey, KJ Jankowski, P Julian, LR Sethna, PK Thomas, J Rohweder Frontiers in Ecology and Evolution 7, 346, 2019 | 14 | 2019 |
| Silicon concentrations and stoichiometry in two agricultural watersheds: Implications for management and downstream water quality LR Sethna, TV Royer, SL Speir, MT Trentman, UH Mahl, LP Hagemeier, ... Biogeochemistry 159 (2), 265-282, 2022 | 9 | 2022 |
| Establishing fluvial silicon regimes and their stability across the Northern Hemisphere K Johnson, KJ Jankowski, J Carey, NJ Lyon, WH McDowell, A Shogren, ... Limnology and Oceanography Letters 9 (3), 237-246, 2024 | 5 | 2024 |
| Long‐Term Changes in Concentration and Yield of Riverine Dissolved Silicon From the Poles to the Tropics KJ Jankowski, K Johnson, L Sethna, P Julian, AS Wymore, AJ Shogren, ... Global Biogeochemical Cycles 37 (9), e2022GB007678, 2023 | 5 | 2023 |
| Climate, hydrology, and nutrients control the seasonality of Si concentrations in rivers K Johnson, KJ Jankowski, JC Carey, LR Sethna, SA Bush, D McKnight, ... Journal of Geophysical Research: Biogeosciences 129 (9), e2024JG008141, 2024 | 1 | 2024 |
| Monthly dissolved silicon concentrations from 198 rivers in the Northern Hemisphere K Johnson, KJ Jankowski, JC Carey, NJ Lyon, W McDowell, A Shogren, ... US Geological Survey, 2023 | 1 | 2023 |
| Dissolved silicon concentration and yield estimates from streams and rivers in North America and Antarctica, 1964-2021 KJ Jankowski, JC Carey, P Julian, K Johnson, L Sethna, PK Thomas, ... US Geological Survey, 2023 | 1 | 2023 |
| An ecological and biogeochemical study of dissolved silicon in human-dominated freshwater ecosystems LR Sethna Indiana University, 2022 | 1 | 2022 |
| Mismatches between ammonium and nitrate losses at the field and watershed scales suggest contrasting controls in two agricultural watersheds AES Vincent, JL Tank, AN Pruitt, SL Speir, UH Mahl, LR Sethna, ... Agriculture, Ecosystems & Environment 383, 109531, 2025 | | 2025 |
| Notable results from a synthesis of river silicon dynamics over space and time J Carey, K Johnson, PL Sullivan, N Lyon, L Sethna, SA Bush, ... AGU24, 2024 | | 2024 |
| Response of dissolved organic matter to variation in nutrient availability and phytoplankton community composition in a mesotrophic, temperate-zone reservoir LR Sethna, TV Royer Freshwater Science 43 (4), 412-426, 2024 | | 2024 |
| Synthesize It: Using Big Data to Test Watershed Hypotheses (Coupled Sessions: 324, 331, 414) SA Bush, K Johnson, N Lyon, KJ Jankowski, L Sethna, J Carey, ... WaterSciCon24, 2024 | | 2024 |
| Spatial controls on global silica concentrations and yields from rivers and streams SA Bush, K Johnson, KJ Jankowski, J Carey, L Sethna, PL Sullivan WaterSciCon24, 2024 | | 2024 |
| Synthesis of a global Si dataset: data harmonization and notable results K Johnson, KJ Jankowski, J Carey, N Lyon, L Sethna, SA Bush, ... WaterSciCon24, 2024 | | 2024 |
| A Global Scale Evaluation of Decadal Shifts in High Latitude River Silicon Stoichiometry J Carey, K Johnson, DM McKnight, RC Heindel, P Kortelainen, H Laudon, ... AGU Fall Meeting Abstracts 2023, B07-03, 2023 | | 2023 |
| Developing Typologies of River Silicon Seasonality Across Biomes to Understand Controls on Changing Exports. K Johnson, JC Carey, KJ Jankowski, P Julian, RC Heindel, J Jones, ... AGU Fall Meeting Abstracts 2022, H35G-07, 2022 | | 2022 |
| Optical Properties of Dissolved Organic Matter May Reveal Coupling Between Carbon Quality, Nutrient Availability, and Algal Community Composition in a Mesotrophic Reservoir L Sethna, T Royer AGU Fall Meeting Abstracts 2021, H15V-1297, 2021 | | 2021 |
Kathi Jo JankowskiResearch Ecologist, US Geological SurveyEmail verificata su usgs.gov