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1

KACHANOSKI, R. G., I. J. VAN WESENBEECK, and E. De JONG. "FIELD SCALE PATTERNS OF SOIL WATER STORAGE FROM NON-CONTACTING MEASUREMENTS OF BULK ELECTRICAL CONDUCTIVITY." Canadian Journal of Soil Science 70, no. 3 (1990): 537–42. http://dx.doi.org/10.4141/cjss90-056.

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Soil water storage (0–1.7 m) was measured every 10 m in a 660-m-long transect using a neutron probe and compared to bulk electrical conductivity, ECA, measurements obtained using noncontacting electomagnetic induction meters. Coherency analysis indicated a lack of correlation at scales less than 40 m. At scales greater than 40 m, ECA explained more than 80% of the variation of soil water storage. Measurement of ECA should be a simple and fast method of determining general field patterns of soil water storage. Key words: Spatial variability, soil water, coherency, electromagnetic induction
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Friesen, Jan, Jessica Lundquist, and John T. Van Stan. "Evolution of forest precipitation water storage measurement methods." Hydrological Processes 29, no. 11 (2014): 2504–20. http://dx.doi.org/10.1002/hyp.10376.

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Tanentzap, Fallon M., Alexandra Stempel, and Peter Ryser. "Reliability of leaf relative water content (RWC) measurements after storage: consequences for in situ measurements." Botany 93, no. 9 (2015): 535–41. http://dx.doi.org/10.1139/cjb-2015-0065.

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Relative water content (RWC) is widely used to describe plant water status, and is commonly measured gravimetrically. The ephemeral nature of leaf fresh mass poses severe constraints for such measurements in field-grown plants. These constraints can be overcome by transporting the leaves in waterproof containers into the lab. However, even then, leaves lose water, and other changes may happen. The effects of a delay on the measurement of RWC have not been quantified so far. In this study, the influence of duration of storage up to 96 h and storage temperature on RWC and its components was inve
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Llorens, P., and F. Gallart. "A simplified method for forest water storage capacity measurement." Journal of Hydrology 240, no. 1-2 (2000): 131–44. http://dx.doi.org/10.1016/s0022-1694(00)00339-5.

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5

Syahputra, Rendy. "Alat Pendeteksi Level Air Otomatis Pada Tangki Air Wudhu Masjid Ulil Albab UNSRAT Berbasis Mikrokontroller." INFORMATIKA 11, no. 1 (2023): 63–70. http://dx.doi.org/10.36987/informatika.v11i1.3848.

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The era of globalization as it is today, the development of technology is growing so rapidly.However, this is not coupled with the technology in the water storage tank in the mosque that still uses manual water measurement, which results in the end of wudu water without realizing it so that the congregation has difficulty wudu water. After seeing the problem, then designed a tool to determine the water level in the water tank that can determine the amount of water volume in the water storage tank and can provide a warning in the form of an alarm. The results of testing the water level detector
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Ehalt Macedo, Heloisa, Ralph Edward Beighley, Cédric H. David, and John T. Reager. "Using GRACE in a streamflow recession to determine drainable water storage in the Mississippi River basin." Hydrology and Earth System Sciences 23, no. 8 (2019): 3269–77. http://dx.doi.org/10.5194/hess-23-3269-2019.

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Abstract. The study of the relationship between water storage and runoff generation has long been a focus of the hydrological sciences. NASA's Gravity Recovery and Climate Experiment (GRACE) mission provides monthly depth-integrated information on terrestrial water storage anomalies derived from time-variable gravity observations. As the first basin-scale storage measurement technique, these data offer potentially novel insight into the storage–discharge relationship. Here, we apply GRACE data in a streamflow recession analysis with river discharge measurements across several subdomains of the
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Lak, Zana A., Hans Sandén, Mathias Mayer, and Boris Rewald. "Specific root respiration of three plant species as influenced by storage time and conditions." Plant and Soil 453, no. 1-2 (2020): 615–26. http://dx.doi.org/10.1007/s11104-020-04619-9.

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Abstract Aims Specific root respiration (RRS) is a key root trait, determining i.e. nutrient foraging and uptake efficiencies. However, a considerable uncertainty exists regarding the effects of storage time and conditions on RRS measurements. Methods Fine root CO2 efflux rates of three plant types (tree seedling Carpinus betulus, legume Pisum sativum, grass Lolium perenne) were measured as depending on storage time (30–1440 min post-rinsing) and conditions (i.e. attached to plant, warm and cold water storage, and storage under dry conditions). Results Short-term storage conditions (30 min) ha
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Hidayatullah, Syarifuddin Aprian, Sri Wahyu Suciyati, Gurum Ahmad Pauzi, and Arif Surtono. "Design of Measurement of Water Content with Capacity Method to Determine Old Categories to Save Tapioca Flour." Journal of Energy, Material, and Instrumentation Technology 3, no. 2 (2022): 44–49. http://dx.doi.org/10.23960/jemit.v3i2.100.

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In this study, water content measurements were carried out using a physical method using a capacitive sensor. Measurement with these two methods aims to get the most efficient method for tapioca flour's water content value. The samples used were six samples of tapioca flour from the way good factory. Each sample was measured using a thermogravimetric method and a capacitive sensor measuring instrument three times per sample. The measurement results produce a polynomial graph with a coefficient of determination of 0.9702. The graph shows that the higher the water content, the higher the value d
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Yang, Bo Gang, and Jin Song Zhang. "Application of GPR in Measurement of Kunming Lake." Applied Mechanics and Materials 392 (September 2013): 787–90. http://dx.doi.org/10.4028/www.scientific.net/amm.392.787.

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According to Chinas first census for water requirements, Beijing Institute of Surveying and Mapping measured the Kunming lake reservoir capacity for the first time. Combining with the application of measurement of Kunming Lake storage capacity with GPR, this paper give a method on city lake storage capacity measuring, and then analyses the feasibility of measurement with GPR, summary variety of advantages and disadvantages in this work. In the end, the paper give a lot of advice on Measurement of city lake storage capacity with GPR.
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10

Krafčík, Milan, and Jana Peráčková. "Experimental Measurements of Hot Water Stratification in a Heat Storage Tank in Laboratory Conditions." Periodica Polytechnica Mechanical Engineering 63, no. 4 (2019): 301–7. http://dx.doi.org/10.3311/ppme.13836.

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The paper focuses on the experimental measurement of the accumulation of hot water storage with its thermal stratificational thermal layers by means created of elementary conical elements. The basic principle of these elements is the automatic distribution of water temperatures according to temperature and volume flow for a specified time of storage of heat energy. This process involves maintaining the thermal stratification at different height levels of the storage tank, which minimizes the process of balancing the hot water. The aim of the experiments was to demonstrate the thermal energy la
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Jarvie, H. P., J. A. Withers, and C. Neal. "Review of robust measurement of phosphorus in river water: sampling, storage, fractionation and sensitivity." Hydrology and Earth System Sciences 6, no. 1 (2002): 113–31. http://dx.doi.org/10.5194/hess-6-113-2002.

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Abstract. This paper reviews current knowledge on sampling, storage and analysis of phosphorus (P) in river waters. Potential sensitivity of rivers with different physical, chemical and biological characteristics (trophic status, turbidity, flow regime, matrix chemistry) is examined in terms of errors associated with sampling, sample preparation, storage, contamination, interference and analytical errors. Key issues identified include: The need to tailor analytical reagents and concentrations to take into account the characteristics of the sample matrix. The effects of matrix interference on t
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Leonhardt, G., M. D'Oria, M. Kleidorfer, and W. Rauch. "Estimating inflow to a combined sewer overflow structure with storage tank in real time: evaluation of different approaches." Water Science and Technology 70, no. 7 (2014): 1143–51. http://dx.doi.org/10.2166/wst.2014.331.

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The performance assessment of storage tanks and combined sewer overflow (CSO) structures in sewer systems requires knowledge of the total inflow from the catchment during rainfall events. Many structures are, however, only equipped with sensors to measure water level and/or outflows. Based on the geometry of the tank, expressed as a level-storage relationship, inflow can be calculated from these data using a simple conceptual storage model. This paper compares a deterministic and a Bayesian approach for estimating the inflow to a CSO structure from measurements of outflows and water level. The
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13

Tian, Siyuan, Luigi J. Renzullo, Albert I. J. M. van Dijk, Paul Tregoning, and Jeffrey P. Walker. "Global joint assimilation of GRACE and SMOS for improved estimation of root-zone soil moisture and vegetation response." Hydrology and Earth System Sciences 23, no. 2 (2019): 1067–81. http://dx.doi.org/10.5194/hess-23-1067-2019.

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Abstract. The lack of direct measurement of root-zone soil moisture poses a challenge to the large-scale prediction of ecosystem response to variation in soil water. Microwave remote sensing capability is limited to measuring moisture content in the uppermost few centimetres of soil. The GRACE (Gravity Recovery and Climate Experiment) mission detected the variability in storage within the total water column. However, root-zone soil moisture cannot be separated from GRACE-observed total water storage anomalies without ancillary information on surface water and groundwater changes. In this study
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14

Francke, Till, Cosimo Brogi, Alby Duarte Rocha, et al. "Virtual Joint Field Campaign: a framework of synthetic landscapes to assess multiscale measurement methods of water storage." Geoscientific Model Development 18, no. 3 (2025): 819–42. https://doi.org/10.5194/gmd-18-819-2025.

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Abstract. Various methods are available to measure water storage across different landscape compartments, e.g. cosmic-ray neutron sensing, remote sensing, or hydrogravimetry. All these methods provide integral estimates that are representative of their corresponding measurement volume. However, we typically do not know the true value of water storage in these measurement volumes, which makes it difficult to assess the accuracy of such methods. In this study we suggest a synthetic virtual landscape that allows for an exact definition of all variables of interest and, consequently, constitutes t
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15

te Brake, B., M. J. van der Ploeg, and G. H. de Rooij. "Water storage change estimation from in situ shrinkage measurements of clay soils." Hydrology and Earth System Sciences Discussions 9, no. 11 (2012): 13117–54. http://dx.doi.org/10.5194/hessd-9-13117-2012.

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Abstract. Water storage in the unsaturated zone is a major determinant of the hydrological behaviour of the soil, but methods to quantify soil water storage are limited. The objective of this study is to assess the applicability of clay soil surface elevation change measurements to estimate soil water storage changes. We measured moisture contents in soil aggregates by EC-5 sensors, and in volumes comprising multiple aggregates and intra-aggregates spaces by CS616 sensors. In a prolonged drying period, aggregate-scale storage change measurements revealed normal shrinkage for layers ≥ 30 cm dep
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16

Creutzfeldt, B., A. Güntner, S. Vorogushyn, and B. Merz. "The benefits of gravimeter observations for modelling water storage changes at the field scale." Hydrology and Earth System Sciences 14, no. 9 (2010): 1715–30. http://dx.doi.org/10.5194/hess-14-1715-2010.

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Abstract. Water storage is the fundamental state variable of hydrological systems. However, comprehensive data on total water storage changes (WSC) are practically inaccessible by hydrological measurement techniques at the field or catchment scale, and hydrological models are highly uncertain in representing the storage term due to the lack of adequate validation or calibration data. In this study, we assess the benefit of temporal gravimeter measurements for modelling WSC at the field scale. A simple conceptual hydrological model is calibrated and evaluated against records of a superconductin
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Creutzfeldt, B., A. Güntner, S. Vorogushyn, and B. Merz. "The benefits of gravimeter observations for modelling water storage changes at the field scale." Hydrology and Earth System Sciences Discussions 7, no. 2 (2010): 2221–60. http://dx.doi.org/10.5194/hessd-7-2221-2010.

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Abstract. Water storage is the fundamental state variable of hydrological systems. However, comprehensive data on total water storage changes (WSC) are practically inaccessible by hydrological measurement techniques at the field or catchment scale, and hydrological models are highly uncertain in representing the storage term due to the lack of adequate validation or calibration data. In this study, we assess the benefit of temporal gravimeter measurements for modelling WSC at the field scale. A simple conceptual hydrological model is calibrated and evaluated against records of a superconductin
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18

Nishimura, Ren, Norman L. Jones, Gustavious P. Williams, Daniel P. Ames, Bako Mamane, and Jamila Begou. "Methods for Characterizing Groundwater Resources with Sparse In Situ Data." Hydrology 9, no. 8 (2022): 134. http://dx.doi.org/10.3390/hydrology9080134.

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Accurate characterization of groundwater resources is required for sustainable management. Due to the cost of installing monitoring wells and challenges in collecting and managing in situ data, groundwater data are sparse—especially in developing countries. In this study, we demonstrate an analysis of long-term groundwater storage changes using temporally sparse but spatially dense well data, where each well had as few as one historical groundwater measurement. We developed methods to synthetically estimate groundwater table elevation (WTE) times series by clustering wells using two different
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19

Han, Fenghui, Zhe Wang, Hefu Zhang, Dongxing Wang, Wenhua Li, and Wenjian Cai. "Experimental Study of Large-Temperature-Range and Long-Period Monitoring for LNG Marine Auxiliary Based on Fiber Bragg Grating Temperature Measurement." Journal of Marine Science and Engineering 9, no. 9 (2021): 917. http://dx.doi.org/10.3390/jmse9090917.

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Temperature is a key variable to evaluate the energy consumption and thermodynamic performance of traditional marine auxiliary machinery, chillers and piping systems. In particular, for the cryogenic storage tanks and fuel gas supply systems of LNG ships, explosion-proof and low-temperature-resistance properties bring new challenges to the onboard temperature measurement and monitoring. In order to promote the development of high-performance and safer monitoring systems for LNG ships, this paper adopted fiber Bragg grating (FBG) technology to ensure the measurement safety and accuracy of tempe
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Suparjo, Muhamad, Ridway Balaka, and Kadir Kadir. "Studi Potensi Pembangkit Listrik Tenaga Mikro Hidro Di Desa Masolo Raya Dalam Inovasi Turbin Pelton Dengan Sumbu Horizontal." Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin 5, no. 2 (2020): 34. http://dx.doi.org/10.55679/enthalpy.v5i2.12621.

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The purpose of this research is to find out how much electricity is in the mango river in the Mosolo Raya village. The research method used is to measure the flow of water with a storage method, measurement of water flow velocity, measurement of water falls height and the manufacture of Pelton turbine blades. The results showed that the largest water discharge value was 0.018182 m3/s on the 4th measurement, and the smallest water discharge value was 0.014679 m3/s on the 8th measurement, the largest speed value was 7.333225 m/s on the 4th measurement and the smallest speed value was 5.920402 m/
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Timm, L. C., D. Dourado-Neto, O. O. S. Bacchi, et al. "Temporal variability of soil water storage evaluated for a coffee field." Soil Research 49, no. 1 (2011): 77. http://dx.doi.org/10.1071/sr10023.

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Sampling field soils to estimate soil water content and soil water storage (S) is difficult due to the spatial variability of these variables, which demands a large number of sampling points. Also, the methodology employed in most cases is invasive and destructive, so that sampling in the same positions at different times is impossible. However, neutron moderation, time domain reflectrometry, and, more recently, frequency domain reflectrometry methodologies allow measurements at the same points over long time intervals. This study evaluates a set of neutron probe data, collected at 15 position
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Utami, Dyah Nursita, Etty Kusumastuti, Nana Sudiana, et al. "Characteristics of Water Storage Capacity and Water Storage Efficiency of ‘Biotextile’ Growing Medium for Erosion Resistance." Berkala Ilmiah Biologi 14, no. 1 (2023): 38–47. http://dx.doi.org/10.22146/bib.v14i1.5891.

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Abstract: Biotextile is an innovation in erosion-resistant growing media technology, made from organic cocopeat supplemented with Legume Cover Crop (LCC) seeds and coated with biofertilizer. In its application, the success of biotextiles is determined, among other things, by the capacity and efficiency of water storage in the media The capacity and water storage efficiency of biotextile media will determine the success of growth in field applications. From field tests conducted on the sloping land of the Ciater reservoir cliffs, South Tangerang, it was shown that on the 4th day the LCC seeds h
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Souček, Jiří, Petr Nowak, Martin Kantor, and Radek Veselý. "CFD as a Decision Tool for Pumped Storage Hydropower Plant Flow Measurement Method." Water 15, no. 4 (2023): 779. http://dx.doi.org/10.3390/w15040779.

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Suitable and accurate flow measurement in pumped storage hydropower plants (PSP) is a challenging task due to the entirely different hydraulic behaviour of the penstock. This study presents a novel approach to choosing a suitable flow measurement method and position. The focus is on the flow measurement in a specific short penstock of the largest peak-load hydropower plant, Orlík, after its transformation to a PSP. Our approach is based on three main pillars: numerical modelling of fluid flow (ANSYS CFX), standards, and scientific literature. First, the steady-state numerical model output for
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Kašiar, Milan, Ján Židó, and Marián Homolák. "Tree species and management controls on the water storage in forest soil and underlying slope deposits revealed by electrical resistivity tomography." Central European Forestry Journal 71, no. 2 (2025): 145–58. https://doi.org/10.2478/forj-2024-0027.

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Abstract Water is a critical factor in forest production and its sustainable development. In addition, it contributes to the stability of forest ecosystems, essential for the growth and development of individual trees and stands. Electrical resistivity tomography (ERT) is the ideal method for detecting soil moisture among currently available methods. The advantages over other methods are mainly in the non-destructiveness of the measurement, i.e. it does not disturb the soil body. In this work, we deal with the influence of forest management on the dynamics of soil moisture and soil water stora
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Wilson, M. D., M. Durand, H. C. Jung, and D. Alsdorf. "Swath altimetry measurements of the mainstem Amazon River: measurement errors and hydraulic implications." Hydrology and Earth System Sciences Discussions 11, no. 8 (2014): 9399–434. http://dx.doi.org/10.5194/hessd-11-9399-2014.

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Abstract. The Surface Water and Ocean Topography (SWOT) mission, scheduled for launch in 2020, will provide a step-change improvement in the measurement of terrestrial surface water storage and dynamics. In particular, it will provide the first, routine two-dimensional measurements of water surface elevations. In this paper, we aimed to (i) characterize and illustrate in two-dimensions the errors which may be found in SWOT swath measurements of terrestrial surface water, (ii) simulate the spatio-temporal sampling scheme of SWOT for the Amazon, and (iii) assess the impact of each of these on es
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KOBAYASHI, Yoshikazu, and Tadashi TANAKA. "Measurement of Stem Water Storage Used by TDR (Time Domain Reflectometry) Method." Journal of Japan Society of Hydrology and Water Resources 14, no. 3 (2001): 207–16. http://dx.doi.org/10.3178/jjshwr.14.207.

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Linke, Manfred, Ulrike Praeger, Daniel A. Neuwald, and Martin Geyer. "Measurement of Water Vapor Condensation on Apple Surfaces during Controlled Atmosphere Storage." Sensors 23, no. 3 (2023): 1739. http://dx.doi.org/10.3390/s23031739.

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Apples are stored at temperatures close to 0 °C and high relative humidity (up to 95%) under controlled atmosphere conditions. Under these conditions, the cyclic operation of the refrigeration machine and the associated temperature fluctuations can lead to localized undershoots of the dew point on fruit surfaces. The primary question for the present study was to prove that such condensation processes can be measured under practical conditions during apple storage. Using the example of a measuring point in the upper apple layer of a large bin in the supply air area, this evidence was provided.
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Fitria, N., F. Ainiyah, U. Hamidah, N. Sintawardani, and T. A. Koesmawati. "Effect of storage time on in-situ parameters and total nitrogen analysis results of tofu liquid waste samples." IOP Conference Series: Earth and Environmental Science 1201, no. 1 (2023): 012043. http://dx.doi.org/10.1088/1755-1315/1201/1/012043.

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Abstract Field parameter measurement is usually constrained by time management, causing measurement delays and, therefore, different results between field parameters and the actual environmental conditions. Tofu liquid waste contains a low pH (3–5) and suspended, colloidal, and dissolved organics matter at high concentrations; the latter might change rapidly and also cause changes to other parameters. Tofu liquid waste from a tofu factory outlet was used in this study. The field parameters in this study included pH, total dissolved solids (TDS), and electrical conductivity (EC) by storage time
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Kim, Sung-Wan, Dong-Uk Park, Bub-Gyu Jeon, and Sung-Jin Chang. "Non-Contact Water Level Response Measurement of a Tubular Level Gauge Using Image Signals." Sensors 20, no. 8 (2020): 2217. http://dx.doi.org/10.3390/s20082217.

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The occurrence of excessive fluid sloshing during an earthquake can damage structures used to store fluids and can induce secondary disasters, such as environmental destruction and human casualties, due to discharge of the stored fluids. Thus, to prevent such disasters, it is important to accurately predict the sloshing behavior of liquid storage tanks. Tubular level gauges, which visually show the fluid level of a liquid storage tank, are easy to install and economical compared to other water level gauges. They directly show the fluid level and can be applied for various fluids because they c
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Zhang, Xiao Kang. "Research and Design of Mine Water Warehouse Level Measurement and Control System." Advanced Materials Research 524-527 (May 2012): 67–72. http://dx.doi.org/10.4028/www.scientific.net/amr.524-527.67.

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In the prevention and control of the mine water ,the water level of the dynamic monitoring storehouse play a pivotal role. Mine water warehouse water level measurement and control system which is designed by this paper is by programmable logic devices S7-200 and configuration king Wincc constitute a hardware and software. Between master of the computer and monitoring stations can bus is for data transmission. Laboratory simulation test and Field testing have a good effect, And it can realize the function of Sound and light alarm , dynamic display of water level-the time trend curve and data st
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Humaida, Nida, Krisdianto Krisdianto, and Setia Budi Peran. "ESTIMATION OF CARBON STORAGE IN WATER LETTUCE (Pistia stratiotes) AT FRESHWATER SWAMPS." TROPICAL WETLAND JOURNAL 2, no. 2 (2016): 38–46. http://dx.doi.org/10.20527/twj.v2i2.30.

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This study was conducted in Banjar Regency, in the areas of Keraton, Keramat Baru, Tungkaran, Akar Baru and Sungai Tabuk villages, South Kalimantan, from April-July 2009. The purpose of the study was to estimate the amount of carbon storage in water lettuce (Pistia stratiotes) at freshwater swamps. The information obtained through this study is expected to provide benefits for the swampland management. The swamplands observed were the ones with water lettuce growing in the swamps. The sampling was carried out using purposive sampling technique with the consideration of grouping water lettuce’s
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Villajos, Jose A. "Experimental Volumetric Hydrogen Uptake Determination at 77 K of Commercially Available Metal-Organic Framework Materials." C 8, no. 1 (2022): 5. http://dx.doi.org/10.3390/c8010005.

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Storage is still limiting the implementation of hydrogen as an energy carrier to integrate the intermittent operation of renewable energy sources. Among different solutions to the currently used compressed or liquified hydrogen systems, physical adsorption at cryogenic temperature in porous materials is an attractive alternative due to its fast and reversible operation and the resulting reduction in storage pressure. The feasibility of cryoadsorption for hydrogen storage depends mainly on the performance of the used materials for the specific application, where metal-organic frameworks or MOFs
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Wilson, M. D., M. Durand, H. C. Jung, and D. Alsdorf. "Swath-altimetry measurements of the main stem Amazon River: measurement errors and hydraulic implications." Hydrology and Earth System Sciences 19, no. 4 (2015): 1943–59. http://dx.doi.org/10.5194/hess-19-1943-2015.

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Abstract. The Surface Water and Ocean Topography (SWOT) mission, scheduled for launch in 2020, will provide a step-change improvement in the measurement of terrestrial surface-water storage and dynamics. In particular, it will provide the first, routine two-dimensional measurements of water-surface elevations. In this paper, we aimed to (i) characterise and illustrate in two dimensions the errors which may be found in SWOT swath measurements of terrestrial surface water, (ii) simulate the spatio-temporal sampling scheme of SWOT for the Amazon, and (iii) assess the impact of each of these on es
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Michalec, Bogusław, Karol Pęczek, and Mateusz Strutyński. "Spatial distribution of bottom sediment deposits in water reservoirs at Zesławice." Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation 41, no. 1 (2009): 49–56. http://dx.doi.org/10.2478/v10060-008-0049-7.

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Spatial distribution of bottom sediment deposits in water reservoirs at Zesławice Spatial distributions of bottom sediment deposits in two small water reservoirs located on the River Dłubnia at Zesławice is presented in this paper. The distribution was elaborated according to Dendy's method on the basis of results of silting measurements performed in the 2005. Horizontal and vertical distribution of sediment deposits was shown as relation between the relative volume of deposited sediments (Sh/S) and relative storage capacity of the reservoir (Vh/V); the vertical distribution of sediment deposi
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Avisse, Nicolas, Amaury Tilmant, Marc François Müller, and Hua Zhang. "Monitoring small reservoirs' storage with satellite remote sensing in inaccessible areas." Hydrology and Earth System Sciences 21, no. 12 (2017): 6445–59. http://dx.doi.org/10.5194/hess-21-6445-2017.

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Abstract. In river basins with water storage facilities, the availability of regularly updated information on reservoir level and capacity is of paramount importance for the effective management of those systems. However, for the vast majority of reservoirs around the world, storage levels are either not measured or not readily available due to financial, political, or legal considerations. This paper proposes a novel approach using Landsat imagery and digital elevation models (DEMs) to retrieve information on storage variations in any inaccessible region. Unlike existing approaches, the metho
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Marzan, Arlan, Isvan Taufik, Mochamad Wary Wardhana, and Resti Meliana Sari. "Analisis Ketersediaan Air dan Kapasitas Tampungan Situ Cikande dan Ciherang Kabupaten Serang." JAUR (JOURNAL OF ARCHITECTURE AND URBANISM RESEARCH) 8, no. 1 (2024): 89–102. https://doi.org/10.31289/jaur.v8i1.12819.

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Water resources are currently one of the needs that are increasing due to the increase in population and the development of the industrial sector. This causes an imbalance in meeting water and raw water needs in the agricultural industry. Situ Ciherang and Cikande is one of the lakes in Serang Regency which functions as a water catchment conservation area useful for utilizing the water around it. Therefore, it is necessary to analyze the availability of discharge and the volume of storage that Situ Ciherang and Cikande can accommodate. This research aims to analyze the mainstay discharge of Si
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Pyschik, Jonas, Stefan Seeger, Barbara Herbstritt, and Markus Weiler. "Technical note: A fast and reproducible autosampler for direct vapor equilibration isotope measurements." Hydrology and Earth System Sciences 29, no. 2 (2025): 525–34. https://doi.org/10.5194/hess-29-525-2025.

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Abstract. To investigate water movement in environmental systems, stable isotope (2H and 18O) ratios of water are commonly used tracers. Analyzing the isotopic ratios of water in or adsorbed to substances like soil or plant tissue necessitates the extraction or equilibration of water prior to analysis. One such method, direct vapor equilibration, is popular due to its cost-effectiveness and straightforward sample processing. However, sample analysis requires significant manual labor, thereby limiting the number of samples that can be analyzed. This limitation is compounded by the fact that sto
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Sugiyama, Shin, Renji Naruse, and Yaroslav D. Murav’yev. "Surface strain anomaly induced by the storage and drainage of englacial water in Koryto glacier, Kamchatka, Russia." Annals of Glaciology 40 (2005): 232–36. http://dx.doi.org/10.3189/172756405781813627.

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AbstractTo investigate short-term flow-pattern variations of a temperate glacier, longitudinal surface strain was measured with a wire strainmeter in the ablation area of Koryto glacier, Kamchatka, Russia. Strain-rate anomalies were observed in late summer 2000 that were triggered by a water overflow from a moulin near the measurement site followed by the drainage of accumulated water. The strain event started with (compressive) strain rates of >–10–3 d–1 lasting for 6 hours, which then became tensile. Similar strain-rate variations were observed again on the next day. During the event, bas
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O'Toole, J., M. Sinclair, T. Jeavons, and K. Leder. "Influence of sample preservation on endotoxin measurement in water." Water Science and Technology 60, no. 6 (2009): 1615–19. http://dx.doi.org/10.2166/wst.2009.494.

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Appropriate preservation of a range of water types prior to analysis for endotoxin was investigated, including sample storage and addition of sodium thiosulphate. Biologically active endotoxin in water samples was assayed using a chromogenic Limulus Amoebocyte Lysate (LAL) assay. Statistical analysis of measured mean endotoxin levels obtained for samples with and without sodium thiosulphate showed no significant difference in results. There was a 44% mean decline in the concentration of detectable endotoxin in water samples stored at −80°C for 4 weeks compared with samples stored at 4°C and an
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40

Bertrand-Krajewski, J. L., J. P. Bardin, M. Mourad, and Y. Béranger. "Accounting for sensor calibration, concentration heterogeneity, measurement and sampling uncertainties in monitoring urban drainage systems." Water Science and Technology 47, no. 2 (2003): 95–102. http://dx.doi.org/10.2166/wst.2003.0094.

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Assessing the functioning and the performance of urban drainage systems on both rainfall event and yearly time scales is usually based on online measurements of flow rates and on samples of influent and effluent for some rainfall events per year. In order to draw pertinent scientific and operational conclusions from the measurement results, it is absolutely necessary to use appropriate methods and techniques in order to i) calibrate sensors and analytical methods, ii) validate raw data, iii) evaluate measurement uncertainties, iv) evaluate the number of rainfall events to sample per year in or
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Záleská, Martina, Milena Pavlíková, Zbyšek Pavlík, and Robert Černý. "Retention Curves of Different Types of Sandstone." Advanced Materials Research 982 (July 2014): 44–48. http://dx.doi.org/10.4028/www.scientific.net/amr.982.44.

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Retention curve is the basic material property used in models for simulation of moisture storage in porous materials. The measurement of retention curves (also called suction curves, capillary potential curves, capillary-pressure functions and capillary-moisture relationships) is described in this paper. The water storage of different types of sandstone, the materials frequently used on the Czech territory for many centuries mainly for architectonic details and sculptures, is studied in using pressure plate apparatus. The obtained data gives information on materials behaviour in contact with l
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Cheng, Hai Yu, and Hui Wang. "Design of Trash Rack Water Level Measurement and Control System Based on Ultrasonic." Advanced Materials Research 542-543 (June 2012): 194–97. http://dx.doi.org/10.4028/www.scientific.net/amr.542-543.194.

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Designed a new type measurement and control system based on ultrasonic sensor, which can measure the water level of hydropower station turbine inlet trash rack in front of the dam. It overcomes the defects of traditional level gauge measurement; has the water level signal after and before the gate on real-time; pressure difference; multiple points of data acquisition; processing, storage and transmission of the limit alarm function, the subsystem and hydropower PC form communication network for the centralized monitoring, centralized control and centralized management.
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Karwacki, Jarosław, and Roman Kwidziński. "Experimental investigation of PCM thermal energy storage charge and discharge process with aperiodic (ramp) temperature inputs." E3S Web of Conferences 70 (2018): 03005. http://dx.doi.org/10.1051/e3sconf/20187003005.

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In recent years, the use of storages filled with phase-change material (PCM) is increasingly considered. Such design is characterized by a higher density of thermal energy accumulation in comparison with water storages. However, the optimal use of the PCM storages requires a recognition of its dynamic characteristics during the loading and unloading process. This paper presents research aimed at understanding and dynamic description of the heat transfer process in a shell-and-tube thermal energy storage. The experimental test stand and the measurement and control system are described. The inve
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Manjakkal, Libu, Katarina Cvejin, Jan Kulawik, Krzysztof Zaraska, and Dorota Szwagierczak. "The Effect of Sheet Resistivity and Storage Conditions on Sensitivity of RuO2 Based pH Sensors." Key Engineering Materials 605 (April 2014): 457–60. http://dx.doi.org/10.4028/www.scientific.net/kem.605.457.

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The increasing fresh water deficiency due to environmental pollution demands accurate, reliable and highly sensitive sensors for online monitoring of water pollution. Solid state sensors are helpful for fabricating and implementing low cost wireless sensors for monitoring of pollution. In water pollution determination, the measurement of pH plays an important role. Among the semiconductor sensitive materials RuO2 shows good sensitivity to hydrogen ions, high accuracy and resistance to interferences caused by other dissolved ions. In this work, thick film RuO2 based pH sensitive electrodes are
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Vlášek, Václav, Jitka Langová, and Jiří Štencl. "Effect of modified atmosphere packaging on stability of three kinds of bread." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 61, no. 6 (2013): 1881–87. http://dx.doi.org/10.11118/actaun201361061881.

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The study evaluates effect of ordinary and modified atmosphere N2 and CO2 on bread packaging and changes of selected bread parameters, moisture content (MC) and water activity (Aw), in real storage time. MC has a significant influence on physical properties of bread and Aw characterizes its microbiological stability. Both parameters are functionally dependent. Manometric method was used for measurement of Aw and gravimetric method was used for measurement of MC. Samples of three kinds of bread, gluten-free, Šumava bread, and Bavorský bread, packaged into barrier wrappers, were stored at the ro
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Jagals, P., N. P. Nala, T. J. Tsubane, M. Moabi, and K. C. Motaung. "Measuring changes in water-related health and hygiene practices by developing-community households." Water Science and Technology 50, no. 1 (2004): 91–97. http://dx.doi.org/10.2166/wst.2004.0027.

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A population sample from a community in a developing urban area (Botshabelo), which obtains its treated water supply from a communal standpipe system, was subjected to a short Health and Hygiene Awareness and Education (HHA&E) programme to improve its practices on storing water in, and handling water from, storage containers at home. The problem was that the community's practices lead to the deterioration of the microbiological quality of the water in domestic storage containers. Measuring changes in the practices, as well as the microbiological quality of water in the containers, were the
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te Brake, B., M. J. van der Ploeg, and G. H. de Rooij. "Water storage change estimation from in situ shrinkage measurements of clay soils." Hydrology and Earth System Sciences 17, no. 5 (2013): 1933–49. http://dx.doi.org/10.5194/hess-17-1933-2013.

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Abstract. The objective of this study is to assess the applicability of clay soil elevation change measurements to estimate soil water storage changes, using a simplified approach. We measured moisture contents in aggregates by EC-5 sensors, and in multiple aggregate and inter-aggregate spaces (bulk soil) by CS616 sensors. In a long dry period, the assumption of constant isotropic shrinkage proved invalid and a soil moisture dependant geometry factor was applied. The relative overestimation made by assuming constant isotropic shrinkage in the linear (basic) shrinkage phase was 26.4% (17.5 mm)
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Pham-Duc, Binh, Frederic Frappart, Quan Tran-Anh, et al. "Monitoring Lake Volume Variation from Space Using Satellite Observations—A Case Study in Thac Mo Reservoir (Vietnam)." Remote Sensing 14, no. 16 (2022): 4023. http://dx.doi.org/10.3390/rs14164023.

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This study estimates monthly variation of surface water volume of Thac Mo hydroelectric reservoir (located in South Vietnam), during the 2016–2021 period. Variation of surface water volume is estimated based on variation of surface water extent, derived from Sentinel-1 observations, and variation of surface water level, derived from Jason-3 altimetry data. Except for drought years in 2019 and 2020, surface water extent of Thac Mo reservoir varies in the range 50–100 km2, while its water level varies in the range 202–217 m. Correlation between these two components is high (R = 0.948), as well a
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Benetatos, Christoforos, Felice Catania, Giorgio Giglio, et al. "Workflow for the Validation of Geomechanical Simulations through Seabed Monitoring for Offshore Underground Activities." Journal of Marine Science and Engineering 11, no. 7 (2023): 1387. http://dx.doi.org/10.3390/jmse11071387.

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Underground fluid storage is gaining increasing attention as a means to balance energy production and consumption, ensure energy supply security, and contribute to greenhouse gas reduction in the atmosphere by CO2 geological sequestration. However, underground fluid storage generates pressure changes, which in turn induce stress variations and rock deformations. Numerical geomechanical models are typically used to predict the response of a given storage to fluid injection and withdrawal, but validation is required for such a model to be considered reliable. This paper focuses on the technology
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Fahmi, A. S., T. W. Agustini, B. B. Jayanto, et al. "Effect of different chilled storage method and ozone treatment on the quality of steamed whole blue swimming crab (Portunus pelagicus)." Food Research 7, Supplementary 3 (2023): 76–85. http://dx.doi.org/10.26656/fr.2017.7(s3).11.

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Pasteurized canned blue swimming crab (Portunus pelagicus) meat is an important export fisheries product from Indonesia. Ozone treatment in food is known to kill bacteria and other microorganism. The purpose of this study was to determine the effects of ozone treatment in chilled storage on the quality of steamed whole blue swimming crab. A total of four combinations of chilled storage with ozone treatment were tested: storage in cool box with ice (CBI), storage in cool box with ice and ozone treatment (CBI-O), storage in refrigerator with ozone treatment (REF-O), storage in refrigerator (REF)
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