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93 results for “monitor oxygen”
Lower American River dissolved oxygen monitoring, CA (2022 - 2024)
The purpose of the Lower American River (LAR) dissolved oxygen monitoring is to provide timely information to better understand how dissolved oxygen levels in the LAR fluctuate over time and space, particularly in relation to Folsom and Nimbus Dam operations, and if conditions are stressful to adult Chinook salmon in Nimbus Basin during the fall spawning period. This information has been collected from summer 2022 to present (winter 2024) used to inform resource managers about a biologically important water quality parameter during a key period in Chinook Salmon life history so they can take action to address poor water quality using water releases from dam gates or other means. Reports are provided to the American River Group as needed, generally on a monthly basis, to support water quality management discussions.
Interagency Ecological Program: Discrete dissolved oxygen monitoring in the Stockton Deep Water Ship Channel, collected by the Environmental Monitoring Program, 1997-2018
Dissolved oxygen levels in the Stockton Deep Water Ship Chanel (SDWSC) have been monitored since 1968 by the Interagency Ecological Program's (IEP) Environmental Monitoring Program (EMP). The SDWSC is located on the San Joaquin River near Stockton, California. Beginning in 1997, 14 stations were routinely monitored typically in summer and fall. Dissolved oxygen impairment can occur in the SDWSC; therefore, two water quality objectives were established. The objectives of the dissolved oxygen monitoring study in the SDWSC are to: (1) determine if dissolved oxygen levels comply with the water quality objectives, (2) monitor long term trends, and (3) detect and document changes along the SDWSC. The EMP collects discrete dissolved oxygen readings near the surface and bottom of the water column during ebb slack tide. The 14 stations are located between Prisoner's Point on the San Joaquin River and ends at the terminus of the channel called Turning Basin. The site locations were selected at the channel markers on the San Joaquin River; therefore, may be referred as station number or channel marker they are located at. Dissolved oxygen and water temperature were recorded 1-meter below surface and 1-meter above the bottom of the channel. Over the period of record the following water quality parameters have been added: water temperature, specific conductance, pH, fluorescence, turbidity, secchi disk and a rating score for the blue-green algae, Microcystis aeruginosa.
Data from: Estimating a physiologically-based threshold to oxygen and temperature from marine monitoring data reveals challenges and opportunities for forecasting distribution shifts
Open the record for dataset details and reuse information.
Big Spirit Lake Monitoring Buoy: High Frequency Oxygen, Temperature, Water Quality and Weather Data 2020-2021
High frequency weather and limnological data from the Big Spirit Lake monitoring buoy, Iowa, USA, from 2020 - 2021. The Big Spirit Lake (Global Lake Ecological Observatory Network—GLEON) instrumented monitoring buoy is operated by the Iowa Lakeside Laboratory (https://iowalakesidelab.org/). The buoy is equipped with a thermistor chain and dissolved oxygen probes the measure every meter from 1m to 6m in depth, a multi-parameter sonde at 1 meter depth, as well as a weather station and wave sensor (added in 2021) situated on the buoy. All data in this data package have been QAQC'd to remove obviously errant readings, highly suspicious readings, and artifacts of buoy maintenance. Because of this, as well as sensor errors and failure, not all data is available at every point each year. Measured parameters in the data set include water temperature, dissolved oxygen concentration, and dissolved oxygen saturation (measured every meter from 1m to 6m). Other measured parameters include pH, specific conductivity, chlorophyll, and blue-green algae in the surface water, as well as weather station data and wave sensor data. Sampling Frequency: Parameters are measured at 10 minute intervals, and most years include measurements from mid/late May through October.
West Okoboji Lake Monitoring Buoy: High Frequency Oxygen, Temperature, Water Quality and Weather Data 2015-2021
High frequency weather and limnological data from the West Okoboji Lake monitoring buoy, Iowa, USA, from 2015 - 2021. The West Okoboji Lake (Global Lake Ecological Observatory Network—GLEON) instrumented monitoring buoy is operated by the Iowa Lakeside Laboratory (https://iowalakesidelab.org/). The buoy is equipped with a thermistor chain and dissolved oxygen probes the measure every 2 meters from 1m to 25m in depth, a multi-parameter sonde at 1 meter depth, as well as a weather station situated on the buoy. All data in this data package have been QAQC'd to remove obviously errant readings, highly suspicious readings, and artifacts of buoy maintenance. Because of this, as well as sensor errors and failure, not all data is available at every point each year. Measured parameters in the data set include water temperature, dissolved oxygen concentration, and dissolved oxygen saturation (measured every 2 meters from 1m to 25m). Other measured parameters include pH and specific conductive in the surface water, as well as weather station data including wind, rain, air temperature and humidity. Sampling Frequency: Parameters are measured at 10 minute intervals, and most years include measurements from mid/late May through October. Measurements were stopped in the fall once the lake had turned over.
Data for: Beyond signal quality: The value of unmaintained pH, dissolved oxygen, and oxidation-reduction potential sensors for remote performance monitoring of on-site sequencing batch reactors
<p>Sensor maintenance is time-consuming and is a bottleneck for monitoring on-site wastewater treatment systems. Hence, we compare maintained and unmaintained sensors to monitor the biological performance of a small-scale sequencing batch reactor (SBR). The sensor types are ion-selective pH, optical dissolved oxygen (DO), and oxidation-reduction potential (ORP) with platinum electrode. We created soft sensors using engineered features: ammonium valley for pH, oxidation ramp for DO, and nitrite ramp for the ORP. Four soft sensors based on unmaintained pH sensors correctly identified the completion of the ammonium oxidation (89 to 91 out of 107 cycles), about as many times as soft sensors based on a maintained pH sensor (91 out of 107 cycles). In contrast, the DO soft sensor using data from a maintained sensor showed slightly better (89 out of 96 cycles) detection performance than that using data from two unmaintained sensors (77, respectively 82 out of 96 correct). Furthermore, the DO soft sensor using maintained data is much less sensitive to the optimisation of cut-off frequency and slope tolerance than the soft sensor using unmaintained data. The nitrite ramp provided no useful information on the state of nitrite oxidation, so no comparison of maintained and unmaintained ORP sensors was possible in this case. We identified two hurdles when designing soft sensors for unmaintained sensors: i) Sensors' type- and design-specific deterioration affects performance. ii) Feature engineering for soft sensors is sensor type specific, and the outcome is strongly influenced by operational parameters such as the aeration rate. In summary, the results with the provided soft sensors show that frequent sensor maintenance is not necessarily needed to monitor the performance of SBRs. Without sensor maintenance monitoring smalls-scale SBRs becomes practicable, which could improve the reliability of unstaffed on-site treatment systems substantially.</p>
Validation of Brain Oxygenation Monitor
ClinicalTrials.gov study NCT00815490. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Validation of the O3 Regional Somatic Tissue Oxygenation Monitor
ClinicalTrials.gov study NCT04584788. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Brain Tissue Oxygen Monitoring in Traumatic Brain Injury (TBI)
ClinicalTrials.gov study NCT00974259. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Cerebral Oxygen Saturation Monitoring In Cardiac Surgery (COSMICS)
ClinicalTrials.gov study NCT04766554. IPD Sharing: NO. Countries: 1. Publications: 7.
Continuous Glucose Monitoring and Cerebral Oxygenation in Preterm Infants
ClinicalTrials.gov study NCT04347590. IPD Sharing: Not stated. Countries: 1. Publications: 24.
Effect of Natrox Oxygen Wound Therapy on Non-healing Wounds and Implication of Remote Monitoring and Telehealth for Management in the Home.
ClinicalTrials.gov study NCT04746573. IPD Sharing: NO. Countries: 1. Publications: 9.
Monitoring of the Cerebral Tissue Oxygenation and Perfusion in the Adapting Climber During Sleep in High Altitude
ClinicalTrials.gov study NCT01465971. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Single Transpulmonary Thermodilution and Continuous Monitoring of Central Venous Oxygen Saturation During Off-pump Coronary Surgery
ClinicalTrials.gov study NCT00624494. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Monitoring Local Tissue Oxygen Changes Using the Wireless Lumee Oxygen Platform in Correlation to TcPO2
ClinicalTrials.gov study NCT04514861. IPD Sharing: NO. Countries: 1. Publications: 5.
Evaluation of the Effectiveness of Oxygen Reserve Index Monitoring During Pre-oxygenation in Obese Patients
ClinicalTrials.gov study NCT07097662. IPD Sharing: NO. Countries: 1. Publications: 1.
Agreements Between Transcutaneous and Arterial Monitoring of Oxygen and Carbon Dioxide After Non-cardiac Surgery
ClinicalTrials.gov study NCT04735380. IPD Sharing: NO. Countries: 1. Publications: 1.
Outcome Assessment in Patients Treated With Hyperbaric Oxygen Using OxyVu Tissue Oxygenation Monitoring System
ClinicalTrials.gov study NCT00768027. IPD Sharing: Not stated. Countries: 1. Publications: 8.
AMBULATORY OXIMETRY MONITORING (AOM): a New Approach to Quantify Oxygen Desaturation in Ambulatory COPD Patients
ClinicalTrials.gov study NCT01873092. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Impact of End-tidal Oxygen Monitoring During Preoxygenation Before Intubation for Acute Hypoxemic Respiratory Failure in ICU Setting
ClinicalTrials.gov study NCT06198504. IPD Sharing: Not stated. Countries: 1. Publications: 12.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.