Relevant bibliographies by topics / Indicator (signal) index of water quality

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Indicator (signal) index of water quality'

Author: Grafiati
Published: 28 May 2022
Last updated: 30 July 2025

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Journal articles on the topic "Indicator (signal) index of water quality"

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Snelder, T. H., C. Fraser, S. T. Larned, R. Monaghan, S. De Malmanche, and A. L. Whitehead. "Attribution of river water-quality trends to agricultural land use and climate variability in New Zealand." Marine and Freshwater Research 73, no. 1 (2022): 1. http://dx.doi.org/10.1071/mf21086.

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Trends at 1051 river monitoring sites across New Zealand incrementing annually for time windows of 10 and 20 years over the 28-year period ending 2017 were assessed from regular observations of six water quality variables. Between-site variation in trend strength and direction was modelled as a function of an indicator based on the Southern Oscillation Index (SOI) and the mean of and changes to catchment: (1) stocking intensity associated with pastoral livestock; and (2) area associated with plantation forest. The SOI indicator made consistent contributions to the models for the 10-year window
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Nirel, P. M. V., and J. Lazzarotto. "Testing of conductivity/calcium and rubidium/strontium ratios as indicators of the chemical stability of a river: comparison with a biological indicator." Water Science and Technology 52, no. 12 (2005): 291–96. http://dx.doi.org/10.2166/wst.2005.0487.

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It is customary to detect pollution in a water flow by monitoring the increase of sensitive elements concentrations (NH4+, PO43−, NO3−…). However, concentrations are dependent on the flow rate and these compounds are not conservative, implying a concentration decrease downstream leading to false negative diagnosis of pollution impact. The use of elemental ratios of conservative compounds should diminish these pitfalls. We then thought of the χ/Ca (conductivity/calcium) and Rb/Sr (rubidium/strontium) ratios as water chemical stability indicators to clearly identify and discriminate point from d
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Kondo, Yasuo, and Youji Miyake. "A Study on Anomaly Detection of Water-Soluble Coolant Using Internal-Sensors." International Journal of Automation Technology 16, no. 2 (2022): 175–81. http://dx.doi.org/10.20965/ijat.2022.p0175.

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The quality of water-soluble coolant is managed based on the maintenance schedules provided by a manager including periodic replacement of coolant. Post-maintenance is adopted when an anomaly is detected in the daily measurements. However, the reliability of management is dependent upon on the competence and experience of an operator. Condition monitoring allows users to detect critical changes in a water-soluble coolant. In contrast to the conventional method, condition monitoring can be assumed to be continuous and remote using ICT technologies. In this study, the spindle motor and NC data w
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Trianto, Manap, Nuraini Nuraini, Sukmawati Sukmawati, and Moh Dahri Kisman. "Keanekaragaman Genus Serangga Air sebagai Bioindikator Kualitas Perairan." Justek : Jurnal Sains dan Teknologi 3, no. 2 (2020): 61. http://dx.doi.org/10.31764/justek.v3i2.3562.

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Abstract: Aquatic insects are groups of insects that most of their life in the water body. Aquatic insects are part of macrozoobenthos. Aquatic insects are very important roles in the ecological system due to various reasons. Insects are bio-indicators of water in water bodies such as rivers. The aims of the study were to determine the diversity and the potential roles of aquatic insects in the Kali Batu Anyar ecosystem. The research method used purposive random sampling method. The sampling of the data was conducted by Surber nets. The samples obtained were identified and analyzed using the S
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Yurchenko, Vera Vitalievna, Maria Georgievna Biryukova, and Diana Yurievna Lukinа. "Factors of biodiversity as criteion for evaluating ecological status of water bodies in Astrakhan." Vestnik of Astrakhan State Technical University. Series: Fishing industry 2019, no. 4 (2019): 7–13. http://dx.doi.org/10.24143/2073-5529-2019-4-7-13.

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The article presents an assessment of the quantitative and qualitative composition 
 of zooplankton in the zoocenosis of the water bodies of Astrakhan. There have been analyzed 
 bioindicators that allow to determine the structure of zooplankton during the research period. 
 A comparative characteristic of the reservoirs has been carried out, according to the indicators 
 of species density (species richness), complexity of the community structure and dominating species. Samples of zooplankton collected in the autumn of 2016 and 2017 in the water bodies within the city limi
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Morales-Romero, Guillermo, Adrián Quispe-Andía, Nicéforo Trinidad-Loli, et al. "Automating the mixing and spraying stage of the instant mashed potato process." Indonesian Journal of Electrical Engineering and Computer Science 24, no. 2 (2021): 771. http://dx.doi.org/10.11591/ijeecs.v24.i2.pp771-779.

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<p>The article describes a control logic used to automate the mixing stage of the instant mashed potato process, in order to improve the quality of the final product. Thus, initially the characteristics of the automated process are detailed, specifying the programming logic on the programmable logic controller, to later demonstrate through a data collection process the percentage of improvement in the quality of the final product from the perspective of the users. Indicators: percentage of humidity in the mixing stage, water absorption index (IAA), water solubility index (ISA) and hydrog
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Anderson, Martha C., Christopher Hain, Brian Wardlow, Agustin Pimstein, John R. Mecikalski, and William P. Kustas. "Evaluation of Drought Indices Based on Thermal Remote Sensing of Evapotranspiration over the Continental United States." Journal of Climate 24, no. 8 (2011): 2025–44. http://dx.doi.org/10.1175/2010jcli3812.1.

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Abstract The reliability of standard meteorological drought indices based on measurements of precipitation is limited by the spatial distribution and quality of currently available rainfall data. Furthermore, they reflect only one component of the surface hydrologic cycle, and they cannot readily capture nonprecipitation-based moisture inputs to the land surface system (e.g., irrigation) that may temper drought impacts or variable rates of water consumption across a landscape. This study assesses the value of a new drought index based on remote sensing of evapotranspiration (ET). The evaporati
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Davydov, O. A., та D. P. Larionova. "САНІТАРНО-ГІДРОБІОЛОГІЧНА ХАРАКТЕРИСТИКА ОЗЕРА ВЕРБНЕ ЗА МІКРОФІТОБЕНТОСОМ". Scientific Issue Ternopil Volodymyr Hnatiuk National Pedagogical University. Series: Biology 77, № 3 (2019): 46–51. http://dx.doi.org/10.25128/2078-2357.19.3.6.

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Assessing ecological and sanitary state of aquatic ecosystems, including their trophic and saprobiological status and impact of human factors, is among key objectives in modern hydrobiology.
 Apart from common hydrobiological methods (identifying species compositions, calculating algae number and biomass etc), there are specific methods for the assessment of aquatic ecosystems. Bioindication, which is based on aquatic organisms’ response to environmental factors, including human factors, is the most important.
 Microphytobenthos is highly sensitive to changes in natural and human fac
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Wattelez, Guillaume, Cécile Dupouy, and Farid Juillot. "Unsupervised Optical Classification of the Seabed Color in Shallow Oligotrophic Waters from Sentinel-2 Images: A Case Study in the Voh-Koné-Pouembout Lagoon (New Caledonia)." Remote Sensing 14, no. 4 (2022): 836. http://dx.doi.org/10.3390/rs14040836.

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Monitoring chlorophyll-a concentration or turbidity is crucial for understanding and managing oligo- to mesotrophic coastal waters quality. However, mapping bio-optical components from space in such shallow settings remains challenging because of the strong interference of the complex bathymetry and various seabed colors. Correcting the total satellite reflectance signal from the seabed reflectance in ocean color with high resolution sensors is promising. This article shows how unsupervised clustering approaches can be applied to Sentinel-2 images to classify seabed colors in shallow waters of
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S V HEMANTH, M SRAVANTH, and R DHANUSH. "WATER QUALITY INDEX PREDICTION." international journal of engineering technology and management sciences 8, no. 3 (2024): 236–40. http://dx.doi.org/10.46647/ijetms.2024.v08i03.029.

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Water is perhaps the most precious natural resource after air. Though the surface of the earth mostly consists of water, only a small part of it is usable, which makes this resource limited. This Precious and limited resource, therefore, must be used with care. As water is required for different purposes, the suitability of it must be checked before use. Also, sources of water must be monitored regularly to determine whether they are in sound health or not. Poor condition of water bodies are not only the indicator of environmental degradation, it is also a threat to the ecosystem. In industrie
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Dissertations / Theses on the topic "Indicator (signal) index of water quality"

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Безсонний, В. Л. "Підвищення екологічної безпеки поверхневих джерел водопостачання шляхом удосконалення басейнового принципу управління водними ресурсами". Thesis, Національний авіаційний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/68296.

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У дисертації вирішене актуальне науково-практичне завдання підвищення рівня екологічної безпеки поверхневих джерел водопостачання. Розроблено методичне забезпечення ефективної реалізації оптимальних форм управління екологічною безпекою на рівні річкового басейну. Найбільш доцільним методом для дослідження динаміки індикаторних (сигнальних) показників екологічного стану поверхневих вод можна вважати двокомпонентну модель Стритера – Фелпса та її модифікації (розчинений кисень – біохімічне споживання кисню). Простота вимірювань показників обумовлюють перевагу цього методу як одного з найкращих ст
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Marion, Jason W. "Protecting Public Health at Inland Ohio Beaches: Development of Recreational Water Quality Indicators Predictive of Microbial and Microcystin Exposure." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1313588302.

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Ayala, Castillo Pedro Christian. "An investigation into some signal processing techniques for the development of a low-cost acoustic correlator to detect and locate leaks in buried water pipes /." Ilha Solteira, 2019. http://hdl.handle.net/11449/183474.

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Orientador: Michael John Brennan<br>Resumo: O principal problema em companhias de água são os vazamentos em tubulações subterrâneas, devido a sua limitada fonte de recursos hídricos. Correlacionadores de ruídos de vazamentos são usados frequentemente para localizar vazamentos. A detecção de sinais de ruídos de vazamentos ocorre por meio da coleta de dados por sensores, aos quais estão inseridos em lugares extremos ao da localização de um suposto vazamento. Estes dados são correlacionados, obtendo o atraso do tempo entre estes sinais de vazamento. Para converter o atraso do tempo em distância,
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Book chapters on the topic "Indicator (signal) index of water quality"

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Kexun, Zheng, Gan Feifei, Zhao Daiyao, Chen Xiao, Liu Xianggang, and Zhang Ning. "Research on Identification of Deep Leakage Channels in Karst Pumped Storage Reservoirs Based on Multi Field Data Fusion." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-9184-2_21.

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AbstractThe most prominent engineering geological problem of pumped storage power station reservoirs in karst areas is karst leakage, the development of karst leakage channels has a significant impact on the selection of reservoir locations, layout of engineering buildings, design of anti-seepage measures, and engineering costs. Therefore, the survey and evaluation of reservoir leakage channels are the foundation for the construction of pumped storage power station reservoirs in karst areas. The field analysis method plays an important role in karst leakage survey. Traditional karst groundwate
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Gray, Nick. "Alternative Indicator Systems For Water Quality Analysis." In The Coliform Index and Waterborne Disease. Spon Press, 1996. http://dx.doi.org/10.4324/9780203476888.ch5.

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Veesommai Chalisa, Kiyoki Yasushi, Sasaki Shiori, and Chawakitchareon Petchporn. "Wide-Area River-Water Quality Analysis and Visualization with 5D World Map System." In Frontiers in Artificial Intelligence and Applications. IOS Press, 2016. https://doi.org/10.3233/978-1-61499-611-8-31.

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This paper presents the analysis and visualization of river-water quality in 25 rivers in Thailand by using 5D World Map system. Water pollution is analyzed by using Water Quality Index (WQI) and Metal Index (MI) which focus on Ping, Nan and Chao Phraya River (the important rivers of Thai). The WQI indicator was used to evaluate water quality by conductivity, NO3-N, NO2-N, NH3-N, Cd, Cr, Mn, Ni, Pb, Zn and As. The MI indicator was used to estimate concentration of metal in the river. The results on 5D World Map System show that several actual values assigned to water-quality parameters are sho
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Djamel, Brahimi, Rahmouni Abdelkader, Brahimi Abdelghani, and Mesli Lotfi. "Evaluating Insects as Bioindicators of the Wetland Environment Quality (Arid Region of Algeria)." In Vegetation Index and Dynamics [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97700.

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The wetland of Naâma situated in the arid region of Alegria offers an important fauna and flora diversity due to its geographical location it constitutes the main resting place in North Africa for migratory birds. Insects are used as bioindicators, due to their sensitivity to environmental conditions which, because of their ecological peculiarities, gives information on the characteristics of terrestrial and aquatic environments. The aim of this study is to know and specify the entomofauna bio-indicator of the quality of the aquatic environment of the wetland Naâma (SW Algeria). The study carr
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Oliveira, Rosinei, Ádamo L. Santana, João C. W. A. Costa, et al. "Recent Advances and Challenges in Wireless QoE-Aware Multimedia Streaming Systems." In Advances in Multimedia and Interactive Technologies. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-61350-144-3.ch011.

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It is expected that multimedia applications will be the most abundant application in the Internet and thousands of new wireless and mobile users will produce and share multimedia streaming content ubiquitously. In this multimedia-aware system, it is important to assure the end-to-end quality level support for video and voice applications in wireless systems. Traditional Quality of Service techniques assure the delivery of those services with packet differentiation assurance and indicate the impact of multimedia traffic only on the network performance; however, they do not reflect the user’s pe
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"Muskellunge Management: Fifty Years of Cooperation Among Anglers, Scientists, and Fisheries Biologists." In Muskellunge Management: Fifty Years of Cooperation Among Anglers, Scientists, and Fisheries Biologists, edited by James S. Diana, Joel K. Nohner, Sarah Zorn, Ashley Rust, Kyle D. Battige, and Patrick Hanchin. American Fisheries Society, 2017. http://dx.doi.org/10.47886/9781934874462.ch22.

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&lt;em&gt;Abstract&lt;/em&gt;.—We synthesize results from a number of studies to determine if Muskellunge &lt;em&gt;Esox masquinongy &lt;/em&gt;spawning habitat is predictable. Specific objectives are to (1) evaluate characteristics of spawning habitat in a number of different systems; (2) determine if spawning habitat can be predicted from data on land cover, geology, and physical characteristics in the lake or river; and (3) compare spawning habitat in inland lakes and some Great Lakes locations. In inland lakes, Muskellunge preferred to spawn over fine sediments near emergent and submersed
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Conference papers on the topic "Indicator (signal) index of water quality"

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Prasandy, Teguh, dina Fitria Murad, Titan, and Agus Putranto. "Design System Analysis of Water Quality Survey Using Macro Benthos Indicator with Biotic Family Index Approach." In 2018 International Conference on Information Management and Technology (ICIMTech). IEEE, 2018. http://dx.doi.org/10.1109/icimtech.2018.8528137.

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Baranova, Vladena, Jozef Futo, and Lenka Landryova. "Process Capability Index as an indicator of input signal quality of the rock disintegration process." In 2013 14th International Carpathian Control Conference (ICCC). IEEE, 2013. http://dx.doi.org/10.1109/carpathiancc.2013.6560500.

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Abdulhameed, Isam M., and Nese Yaman. "INNOVATIVE INDEX FOR OPTIMIZING USING SALINE WATER IN IRRIGATION." In 12. JEEP INTERNATIONAL SCIENTIFIC AGRIBUSINESS CONFERENCE, MAK 2025 – KOPAONIK. Association science and business center WORLD; Institute for plant protection and environmen, 2025. https://doi.org/10.46793/mak2025.047a.

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According to the climate change in arid and semi-arid regions, saline water will be used in irrigation to mitigate the water gap between available water resources and the water demand. Using saline water to expand the irrigated area was followed by decreasing the crop yield due to osmotic potential, so an optimal indicator must be prepared to optimize the use of saline water. As climate changes effects water quantity and quality, the aim of this study is to mitigate the climate effects on water by improving the mathematical models and computer programs that are constructed to optimize the use
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Shepeleva, A. V., T. A. Aliyev, and T. A. Zabolotskaya. "Assessment of the Quality of the Urban Environment and Its Environmental Factors." In VII International Scientific Conference. Institute of Economics of the Ural Brach of Russian Academy of Sciences, 2023. http://dx.doi.org/10.17059/rec-2023-1-6.

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The article analyses the international and domestic experience of integrated assessment and establishment of indicator systems for examining urban development. The analysis of presented indices and indicator systems of urban development showed that natural and urban environment occupy a significant place among the main components of the assessment. The study noted an increased interest in the development of various indicators and mechanisms for a comprehensive assessment of the situation for solving economic, social and environmental problems in Russian regions and cities after 2005. One of th
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Kis-Novak, Darinka. "INTERCALIBRATION PROCEDURE OF THE FRAMEWORK DIRECTIVE ON WATER - COMPARISON OF RESULTS FOR MACROZOOBENTHOS ON THE EXAMPLE OF RESERVOIR LAKES OF THE DRAVA RIVER IN MEDUMURJE, CROATIA." In 22nd International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022v/3.2/s12.13.

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The Water Area Management Plan 2016-2021 assessed reservoirs as natural water bodies. This assessment included their ecological condition. The goal of the intercalibration procedure is to achieve consistency, comparability of results and evaluation of the ecological state based on the biological element of macrozoobenthos quality. The paper presents the results of research on the Cakovec HPP and Dubrava HPP reservoirs on the Drava River from 1999 and 2003. Complex studies of individual biological elements of macrozoobenthos included seasonal monitoring. They are part of the overall state of th
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Garcia, Alfonso, Trevor Place, and Stephen Wood. "Development of Key Performance Indicator for Management of Under Deposit Corrosion (UDC)." In 2016 11th International Pipeline Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/ipc2016-64501.

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Hydrocarbons transported in transmission pipelines contain solid particles with micro-attached water. Subjected to flow conditions, these particles may have sufficient density to reach the pipe floor and enable bacteria growth and local Under-Deposit Corrosion (UDC), with this form of corrosion being one of the principal threats to the integrity of oil and gas transmission pipelines. NACE International has published a variety of UDC related standard practices to manage corrosion in the oil industry such NACE 61114, but few of them are representative of, or applicable to, low water cut hydrocar
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Bustos, U. D., C. Bernhardt, and L. Vera. "A Novel Approach for Improved Accuracy in Water Volume and Reservoir Quality Assessment During Field Development in Organic Shales." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216214-ms.

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Abstract Complexity in petrophysical interpretation in organic shales is related to the presence of inorganic and organic pores that house hydrocarbons, kerogen, and water. Advanced workflows were proposed for assessing hydrocarbon types and reservoir maturity. The water volume and saturation assessment are routinely done with archie equations, using resistivity, nuclear and/or sonic measurements. With proper matrix corrections on porosity computation and representative inputs of formation water salinity (Rw), wettability (N) and tortuosity (M), water saturation can be calculated. In organic s
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Muhamad, Muhamad. "The Natural Tourism Landscape of The Mount Sumbing Slope." In 3rd International Conference on Community Engagement and Education for Sustainable Development. AIJR Publisher, 2023. http://dx.doi.org/10.21467/proceedings.151.31.

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This research examines the natural tourism landscape of the Mount Sumbing slope. The components of the natural tourism landscape, which concludes attractions and compatibility, have become one of the most critical factors to determine the potential level’s assessment indicator of the region’s environmental compatibility and attraction so that the pattern of these characters and attractions can be identified. The result obtained by this research shows that the level of natural tourism landscape of Mount Sumbing slope has a significant index quantity, as seen by the higher the natural environmen
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Liu, Yihua, Menglin Wang, and Mengting Li. "Level of Service Evaluation Method for Waterways Based on Vessel Displacement." In ASME 2024 43rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/omae2024-133105.

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Abstract The level of service (LOS) of a waterway is an important evaluation index to measure the planning effect and operation quality of waterway facilities. However, the research on LOS from the perspective of vessel characteristics and vessel traffic flow operating conditions has yet to be mentioned. In this paper, based on vessel displacement, proposing a method to use the theory of redefined parameters of water traffic flow characteristics to analyze the data of ship navigation information of the waterway, establishing an evaluation system using vessel displacement as an indicator, and t
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Ajtai, Iulia, Marius Oprea, Cristian Malos, Andrei Radovici, and Camelia Botezan. "THE VULNERABILITY ANALYSIS OF A MOUNTAIN RIVER ECOSYSTEM ASSOCIATED TO ANTHROPIC ACTIVITIES, IN A TOURISTIC AREA IN ROMANIA." In 22nd SGEM International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022/3.1/s12.25.

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The population and economy growth in the past years, and subsequently the increased demand for freshwater, led to an increased pressure on water resources. The quality of surface water is affected by anthropogenic factors, such as: domestic sewage, industrial activities, agricultural activities, recreational activities, land use change, urbanization. Therefore, the impact on surface water vulnerability is higher in large urban areas or in urban areas with intense touristic activities. The analysis of water vulnerability in such areas is important in order to develop sustainable water resources
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Reports on the topic "Indicator (signal) index of water quality"

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Wright, Wendy, M. Gregory, and Jennifer Asper. Assessment of coastal water quality at Fort Matanzas National Monument, 2012. National Park Service, 2013. https://doi.org/10.36967/2193728.

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The Southeast Coast Network conducted an assessment of water and sediment quality at Fort Matanzas National Monument as a part of the Network’s Vital Signs Monitoring program in July 2012. Monitoring was conducted following methods and standards developed by the U.S. Environmental Protection Agency as a part of the National Coastal Assessment Program and included parameter estimates of water clarity, chlorophyll a, total dissolved nitrogen, phosphorous, and dissolved oxygen. Overall water quality index rating for the park area is fair, with three sites rated as poor, 20 rated as fair and eight
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Wright, Wendy, and Wendy Thorsdatter. Assessment of estuarine water quality at Cape Hatteras and Cape Lookout National Seashores: 2015 data summary. National Park Service, 2016. https://doi.org/10.36967/2235357.

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In July 2015 the Southeast Coast Network conducted an assessment of water quality in the vicinity of Cape Hatteras and Cape Lookout National Seashores as part of the National Park Service Vital Signs Monitoring Program. Monitoring was conducted following methods developed by the Environmental Protection Agency (EPA) as part of the National Coastal Assessment Program (EPA 2009). Laboratory analysis measured chlorophyll a and total and dissolved concentrations of nitrogen and phosphorous. Field measurements included water temperature, pH, dissolved oxygen, and salinity. Water clarity, which requ
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Starkey, Eric, Wendy Wright, and Stephen Cooper. Assessment of estuarine water and sediment quality at Cumberland Island National Seashore: 2017-2018 data summary. National Park Service, 2019. https://doi.org/10.36967/2260279.

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In August 2017 the Southeast Coast Network conducted an assessment of water quality at Cumberland Island National Seashore as part of the National Park Service Vital Signs Monitoring Program. Monitoring was conducted following methods developed by the Environmental Protection Agency (EPA) as part of the National Coastal Assessment Program (EPA 2009). Laboratory analysis measured chlorophyll a and total and dissolved concentrations of nitrogen and phosphorous. Field measurements included water temperature, pH, dissolved oxygen, and salinity. Water clarity, which requires a Secchi depth measurem
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Starkey, Eric, Wendy Wright, Christopher Cooper, and Wendy Wright. Assessment of estuarine water and sediment quality at Fort Pulaski National Monument: 2018 data summary. National Park Service, 2019. https://doi.org/10.36967/2266897.

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In July 2018 the Southeast Coast Network conducted an assessment of water quality at Fort Pulaski National Monument as part of the National Park Service Vital Signs Monitoring Program. Monitoring was conducted following methods developed by the Environmental Protection Agency (EPA) as part of the National Coastal Assessment Program (EPA 2010). Laboratory analysis measured chlorophyll a and total and dissolved concentrations of nitrogen and phosphorous. Field measurements included water temperature, pH, dissolved oxygen, and salinity. Water clarity, which requires a Secchi depth measurement, wa
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Starkey, Eric, Wendy Wright, Christopher Cooper, and Wendy Wright. Assessment of Estuarine Water and Sediment Quality at Timucuan Ecological and Historic Preserve: 2018 data summary. National Park Service, 2019. https://doi.org/10.36967/2266891.

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In July 2018 the Southeast Coast Network conducted an assessment of water quality at Timucuan Ecological and Historic Preserve as part of the National Park Service Vital Signs Monitoring Program. Monitoring was conducted following methods developed by the Environmental Protection Agency (EPA) as part of the National Coastal Assessment Program (EPA 2010). Laboratory analysis measured chlorophyll a and total and dissolved concentrations of nitrogen and phosphorous. Field measurements included water temperature, pH, dissolved oxygen, and salinity. Water clarity, which requires a Secchi depth meas
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Wright, Wendy, Eric Starkey, and Stephen Cooper. Assessment of Estuarine Water and Sediment Quality at Fort Matanzas National Monuments: 2017 Data Summary. National Park Service, 2019. https://doi.org/10.36967/2259086.

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In August 2017 the Southeast Coast Network conducted an assessment of water quality in the vicinity of Fort Matanzas National Monument as part of the National Park Service Vital Signs Monitoring Program. Monitoring was conducted following methods developed by the Environmental Protection Agency (EPA) as part of the National Coastal Assessment Program (EPA 2009). Laboratory analysis measured chlorophyll a and total and dissolved concentrations of nitrogen and phosphorous. Field measurements included water temperature, pH, dissolved oxygen, and salinity. Water clarity, which requires a Secchi de
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7

Starkey, Eric, Daniel McCay, Chrisopher Cooper, and Mark Hynds. Assessment of estuarine water and sediment quality at Cape Hatteras National Seashore and Cape Lookout National Seashore: 2021 data summary. National Park Service, 2022. http://dx.doi.org/10.36967/2294854.

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In July 2021 the Southeast Coast Network conducted an assessment of water quality in the vicinity of Cape Hatteras and Cape Lookout National Seashores as part of the National Park Service Vital Signs Monitoring Program. Monitoring was conducted following methods developed by the Environmental Protection Agency (EPA) as part of the National Coastal Assessment Program (EPA 2010). Laboratory analysis measured chlorophyll a and total and dissolved concentrations of nitrogen and phosphorous. Field measurements included water temperature, pH, dissolved oxygen, and salinity. Water clarity, which requ
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8

Nagel, Jessica, Holly Paisted, Christopher Peck, and Paul Duffy. Condition and trends of estuarine water quality in George Washington Birthplace National Monument: Northeast Coastal and Barrier Network, 2009-2021. National Park Service, 2025. https://doi.org/10.36967/2311158.

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This report summarizes conditions and trends in routine long-term water quality monitoring data collected at George Washington Birthplace National Monument in Virginia from 2009 through 2021 as part of the NPS NCBN Vital Signs Estuarine Nutrient Enrichment monitoring program. This comprehensive program incorporates spatial surveys, repeated monitoring at trend stations, and continuous monitoring at a fixed logging station in an effort to establish overall condition of the estuary as well as to identify potential trends or changes in condition over time. All monitoring was conducted during a fo
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9

Nagel, Jessica, Holly Paisted, Christopher Peck, and Paul Duffy. Condition and trends of estuarine water quality in Colonial National Historical Park: Northeast Coastal and Barrier Network, 2008-2022. National Park Service, 2025. https://doi.org/10.36967/2310814.

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This report summarizes conditions and trends in routine long-term water quality monitoring data collected at Colonial National Historical Park in Virginia from 2008 through 2022 as part of the NPS NCBN Vital Signs Estuarine Nutrient Enrichment monitoring program. This comprehensive program incorporates spatial surveys, repeated monitoring at trend stations, and continuous monitoring at a fixed logging station in an effort to establish overall condition of the estuary as well as to identify potential trends or changes in condition over time. All monitoring was conducted biennially during a four
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10

Stumpf, Stacy, Laura Ploughe, Christopher Calvo, Laura Ploughe, Stacy Stumpf, and Christopher Calvo. Long-term trend in the aquatic macroinvertebrate community of the Mancos River at Mesa Verde National Park: Aquatic macroinvertebrate monitoring 2008-2019. National Park Service, 2024. http://dx.doi.org/10.36967/2306058.

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The Southern Colorado Plateau Inventory and Monitoring Network monitors status and long-term trends in the aquatic macroinvertebrate community and associated habitat in order to track changes in the ecological integrity of stream ecosystems. This report investigates changes in key aquatic macroinvertebrate community indices and physical habitat metrics collected from two long-term monitoring sites on the Mancos River in Mesa Verde National Park, Colorado. Results suggest that both monitoring sites have experienced periods of thermal and hydrologic stress. These stresses occur concurrently and
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