Relevant bibliographies by topics / Range edge

Academic literature on the topic 'Range edge'

Author: Grafiati
Published: 10 December 2022
Last updated: 10 March 2023

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Journal articles on the topic "Range edge"

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Meiri, Shai, Tamar Dayan, Daniel Simberloff, and Richard Grenyer. "Life on the edge: carnivore body size variation is all over the place." Proceedings of the Royal Society B: Biological Sciences 276, no. 1661 (February 25, 2009): 1469–76. http://dx.doi.org/10.1098/rspb.2008.1318.

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Evolutionary biologists have long been fascinated by both the ways in which species respond to ecological conditions at the edges of their geographic ranges and the way that species' body sizes evolve across their ranges. Surprisingly, though, the relationship between these two phenomena is rarely studied. Here, we examine whether carnivore body size changes from the interior of their geographic range towards the range edges. We find that within species, body size often varies strongly with distance from the range edge. However, there is no general tendency across species for size to be either larger or smaller towards the edge. There is some evidence that the smallest guild members increase in size towards their range edges, but results for the largest guild members are equivocal. Whether individuals vary in relation to the distance from the range edges often depends on the way edge and interior are defined. Neither geographic range size nor absolute body size influences the tendency of size to vary with distance from the range edge. Therefore, we suggest that the frequent significant association between body size and the position of individuals along the edge-core continuum reflects the prevalence of geographic size variation and that the distance to range edge per se does not influence size evolution in a consistent way.
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Aguirre Varela, G. G., M. A. Ré, and N. M. López. "EDGE DETECTION IN CONTINUOUS-RANGE." Anales AFA 29, no. 3 (October 16, 2018): 69–72. http://dx.doi.org/10.31527/analesafa.2018.29.3.69.

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Caughley, G., D. Grice, R. Barker, and B. Brown. "The Edge of the Range." Journal of Animal Ecology 57, no. 3 (October 1988): 771. http://dx.doi.org/10.2307/5092.

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Oróstica, MH, SJ Hawkins, BR Broitman, and SR Jenkins. "Performance of a warm-water limpet species towards its poleward range edge compared to a colder-water congener." Marine Ecology Progress Series 656 (December 10, 2020): 207–25. http://dx.doi.org/10.3354/meps13461.

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The demography and individual performance of species at their range edges provide important insight into how climate warming is impacting species distributions. The boreal limpet Patella vulgata and the Lusitanian limpet P. depressa have overlapping geographic ranges and local distributions in Britain. We measured individual performance at the 2 leading edges of P. depressa distribution (North Wales and South/South-east England) and in non-range edge populations in South-west England. Individuals of P. depressa towards both leading edges were expected to have reduced growth rates and higher mortality rates when compared with non-range edge populations. Conversely, P. vulgata was expected to have equivalent performance across regions, coinciding with the centre of its range. Tagged individuals did not show between-species differences in growth and mortality over a 12 mo period. Nonetheless, individual growth rates and population mortality rates of both Patella species were higher towards the range edge of P. depressa in South/South-east England, when compared with populations at its poleward edge and those in South-west England. Further analysis showed that growth and mortality rates were higher in denser populations for both P. depressa and P. vulgata, with equivalent site-specific performance patterns for both species in all regions. Thus, performance patterns of P. depressa reflected local factors in the same way as P. vulgata, overriding patterns of declining performance expected towards species borders. Comparisons between key congeneric species and their unexpected patterns of performance across their ranges provide insights into processes setting species boundaries and thereby their responses to climate change.
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Lee, Kil‐Moo. "Edge‐based segmentation of range images: integrating roof and step edges." Optical Engineering 35, no. 6 (June 1, 1996): 1730. http://dx.doi.org/10.1117/1.600748.

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Burnside, W., M. Gilreath, B. Kent, and G. Clerici. "Curved edge modification of compact range reflector." IEEE Transactions on Antennas and Propagation 35, no. 2 (February 1987): 176–82. http://dx.doi.org/10.1109/tap.1987.1144063.

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Parini, C. G., and M. Philippakis. "Compact antenna test range reflector edge treatment." Electronics Letters 32, no. 2 (1996): 82. http://dx.doi.org/10.1049/el:19960074.

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Wani, M. A., and B. G. Batchelor. "Edge-region-based segmentation of range images." IEEE Transactions on Pattern Analysis and Machine Intelligence 16, no. 3 (March 1994): 314–19. http://dx.doi.org/10.1109/34.276131.

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Yin-Fai Wong. "Dynamic range compression by edge-preserving filtering." IEEE Signal Processing Letters 1, no. 11 (November 1994): 179–81. http://dx.doi.org/10.1109/97.335068.

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Hepworth, Richard. "On the edge of the stable range." Mathematische Annalen 377, no. 1-2 (February 5, 2020): 123–81. http://dx.doi.org/10.1007/s00208-020-01955-0.

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Dissertations / Theses on the topic "Range edge"

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Godin, Guy D. "Edge-based scene description using range imaging." Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=55602.

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Mahmoud, M. Sameh. "R-Card fence edge treatment for compact range reflectors /." The Ohio State University, 1999. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488192960169764.

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Zhang, Guanghua. "Edge labelling and depth reconstruction by fusion of range and intensitydata." Thesis, Heriot-Watt University, 1992. http://hdl.handle.net/10399/1502.

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Elman, Samuel. "Long-range entanglement for spin qubits via quantum Hall edge modes." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/17165.

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We propose and analyse a scheme for performing a long-range entangling gate for qubits encoded in electron spins trapped in semiconductor quantum dots. Our coupling makes use of an electrostatic interaction between the state-dependent charge configurations of a singlet-triplet qubit and the edge modes of a quantum Hall droplet. We show that distant singlet-triplet qubits can be selectively coupled, with gate times that can be much shorter than qubit dephasing times and faster than decoherence due to coupling to the edge modes. Based on parameters from recent experiments we argue that fidelities of $99\%$ could in principle be achieved, for a two-qubit gate taking as little as 20 ns
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Kaba, Christina Marie. "Reconstructing long term sediment flux from the Brooks Range, Alaska, using edge clinoforms." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/88359.

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Thesis (S.M.)--Joint Program in Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences; and, the Woods Hole Oceanographic Institution), 2004.
Includes bibliographical references (p. 37-40).
Laterally extensive, well-developed clinoforms have been mapped in Early Cretaceous deposits located in the northeastern 27,000 km2 of the Colville Basin, North Slope of Alaska. Using public domain 2-D seismic data, well logs, core photographs, and grain size data, depositional geometries within the Nanushuk and Torok formations were interpreted in order to constrain the transport conditions associated with progradation of the shoreline and construction of the continental margin out of detritus shed from the ancestral Brooks Range. Using STRATA, a synthetic stratigraphic modeling package, constructional clinoform geometries similar to those preserved in the North Slope clinoform volume (32,400 km3) were simulated. Sediment flux, marine and nonmarine diffusivities, and basin subsidence were systematically varied until a match was found for the foreset and topset slopes, as well as progradation rates over a 6 million year period. The ability of STRATA to match the seismically interpreted geometries allows us to constrain measures of possible water and sediment discharges consistent with the observed development of the Early Cretaceous clinoform suite. Simulations indicate that, in order to reproduce observed geometries and trends using constant input parameters, the subsidence rate must be very small, only a fraction of the most likely rate calculated from the seismic data. Constant sediment transport parameters can successfully describe the evolution of the prograding margin only in the absence of tectonic subsidence. However, further work is needed to constrain the absolute magnitude of these values and determine a unique solution for the NPR-A clinoforms.
by Christina Marie Kaba.
S.M.
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Beatty, G. E. "The genetic consequences of postglacial recolonisation and range edge effects in northern hemisphere monotropoideae species." Thesis, Queen's University Belfast, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.546009.

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Williams, Phillip Conrad. "Population Genetics of Rice Rats (Oryzomys palustris) at the Northern Edge of the Species Range." OpenSIUC, 2019. https://opensiuc.lib.siu.edu/theses/2602.

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The marsh rice rat (Oryzomys sp.) is a semiaquatic rodent native to wetlands in the southeastern United States. The northwestern-most part of the rice rat’s range extends to Illinois where rice rats are found in wetlands across the southern part of the state. Recent studies have shown that rice rats in the United States can be divided into two species: O. palustris and O. texensis, but the taxonomic status of rice rats in Southern Illinois is unclear. To resolve this, I sequenced cytochrome-b and the control region, two regions of mitochondrial DNA, for 16 rice rats and constructed a phylogeny using these new sequences and previously obtained O. palustris and O. texensis sequences. In contrast to previous morphological assessments, I found that rice rats in Southern Illinois should be classified as O. texensis. This would extend the range of O. texensis north and west from its current extent. Further investigation using nuclear loci will be needed to confirm this classification.
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Berglind, Sven-Åke. "Population Dynamics and Conservation of the Sand Lizard (Lacerta agilis) on the Edge of its Range." Doctoral thesis, Uppsala universitet, Evolutionär funktionsgenomik, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5750.

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The sand lizard (Lacerta agilis) reaches the northern periphery of its distribution in south-central Sweden, where small, isolated relict populations occur in pine heath forests on sandy sediments. Modern forestry and fire suppression have reduced the amount of suitable open habitat for the species in this area and seem to be important for its decline. Main objectives of this thesis were to evaluate the efficiency of different management strategies, and if the sand lizard can function as an umbrella species for biodiversity conservation. Over a 16-year period, the estimated annual numbers of adult females in each of two study populations fluctuated between 23 and 3. Simulations of stochastic future population growth showed that the risk of extinction was highly dependent on population growth rate, which in turn was strongly affected by juvenile survival as indicated by elasticity analysis. Simulations of population growth for 50 years showed that the quasi-extinction risk (threshold ≤ 10 females) was > 56% for patches ≤ 1 ha; which is the observed average size of suitable habitat for inhabited patches during a 10-year period. In managed metapopulation networks with highly co-fluctuating local populations, among-population dispersal was not important to reduce extinction risks over a 50-year horizon. In the field the preferred microhabitat of sand lizards was successfully restored using tree felling and patch-soil scarification. The lizards gradually colonized the restored patches, and 16 years after restoration, sand lizards where mainly found there. Pine-heath area, and patch area within individual pine heaths, were of major importance for long-term population persistence at regional and landscape scales, respectively. Analyses of nested species subsets and an umbrella index suggest that the sand lizard can be a useful cross-taxonomic umbrella species on both scales for other red-listed species.
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Berglind, Sven-Åke. "Population dynamics and conservation of the sand lizard (Lacerta agilis) on the edge of its range /." Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5750.

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Krapek, John P. "Landscape-scale establishment and population spread of yellow-cedar (Callitropsis nootkatensis) at a leading northern range edge." Thesis, University of Alaska Fairbanks, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10246079.

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Yellow-cedar is a long-lived conifer of the North Pacific Coastal Temperate Rainforest region that is thought to be undergoing a continued natural range expansion in southeast Alaska. Yellow-cedar is locally rare in northeastern portions of the Alexander Archipelago, and the fairly homogenous climate and forest conditions across the region suggest that yellow-cedar’s rarity could be due to its local migrational history rather than constraints on its growth. Yellow-cedar trees in northern range edge locations appear to be healthy, with few dead trees; additionally, yellow-cedar tend to be younger than co-dominant mountain and western hemlock trees, indicating recent establishment in existing forests.

To explore yellow-cedar’s migration in the region, and determine if the range is expanding into unoccupied habitat, I located 11 leading edge yellow-cedar populations near Juneau, Alaska. I used the geographic context of these populations to determine the topographic, climatic, and disturbance factors associated with range edge population establishment. I used those same landscape variables to model suitable habitat for the species at the range edge. Based on habitat modeling, yellow-cedar is currently only occupying 0.8 percent of its potential landscape niche in the Juneau study area. Tree ages indicate that populations are relatively young for the species, indicating recent migration, and that most populations established during the Little Ice Age climate period (1100 – 1850).

To determine if yellow-cedar is continuing to colonize unoccupied habitat in the region, I located 29 plots at the edges of yellow-cedar stands to measure regeneration and expansion into existing forest communities. Despite abundant suitable habitat, yellow-cedar stand expansion appears stagnant in recent decades. On average, seedlings only dispersed 4.65 m beyond stand boundaries and few seedlings reached mature heights both inside and outside of existing yellow-cedar stands. Mature, 100 – 200-year-old trees were often observed abruptly at stand boundaries, indicating that most stand boundaries have not moved in the past ~150 years. When observed, seedlings were most common in high light understory plant communities and moderately wet portions of the soil drainage gradient, consistent with the species’ autecology in the region.

Despite an overall lack of regeneration via seed, yellow-cedar is reproducing via asexual layering in high densities across stands. Layering may be one strategy this species employs to slowly infill habitat and/or persist on the landscape until conditions are more favorable for sexual reproduction. This study leads to a picture of yellow-cedar migration as punctuated, and relatively slow, in southeast Alaska. Yellow-cedar’s migration history and currently limited spread at the northeastern range edge should be considered when planning for the conservation and management of this high value tree under future climate scenarios.

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Books on the topic "Range edge"

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Wolfgang, Eckstein. Sputtering, reflection and range values for plasma edge codes. Garching bei München: Max-Planck-Institut für Plasmaphysik, 1998.

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Alison, McCrory Patricia, ed. Crustal deformation at the leading edge of the Oregon Coast Range block, offshore Washington (Columbia River to Hoh River). [Washington, D.C.]: U.S. G.P.O., 2002.

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J, Gupta I., Burnside W. D, and Langley Research Center, eds. Design of blended rolled edges for compact range main reflectors. Columbus, Ohio: The Ohio State University, ElectroScience Laboratory, Dept. of Electrical Engineering, 1988.

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Nesi, Paolo, and Raffaella Santucci, eds. ECLAP 2012 Conference on Information Technologies for Performing Arts, Media Access and Entertainment. Florence: Firenze University Press, 2012. http://dx.doi.org/10.36253/978-88-6655-128-7.

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It has been a long history of Information Technology innovations within the Cultural Heritage areas. The Performing arts has also been enforced with a number of new innovations which unveil a range of synergies and possibilities. Most of the technologies and innovations produced for digital libraries, media entertainment and education can be exploited in the field of performing arts, with adaptation and repurposing. Performing arts offer many interesting challenges and opportunities for research and innovations and exploitation of cutting edge research results from interdisciplinary areas. For these reasons, the ECLAP 2012 can be regarded as a continuation of past conferences such as AXMEDIS and WEDELMUSIC (both pressed by IEEE and FUP). ECLAP is an European Commission project to create a social network and media access service for performing arts institutions in Europe, to create the e-library of performing arts, exploiting innovative solutions coming from the ICT.
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Downs, Alan. The velvet rage: How growing up gay in a straight man's world can lead to destructive anger, or a creative edge. Cambridge, Mass: Da Capo Lifelong, 2006.

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R, Whetstone James, and National Institute of Standards and Technology (U.S.), eds. Measurements of coefficients of discharge for concentric flange-tapped square-edged orifice meters in water over the Reynolds number range 600 to 2,700,000. Gaithersburg, MD: U.S. Dept. of Commerce, National Institute of Standards and Technology, 1989.

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Shi kong de chang shou yi liao: 8 ge neng rang ren lei huo dao 250 sui, que you 100% you dao de zheng yi de jiu ming ke ji = Beyond human : how cutting-edge science is extending our lives. Taibei Shi: Cai shi wen hua shi ye gu fen you xian gong si, 2017.

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Neely, Nick. Coast Range: A Collection from the Pacific Edge. Counterpoint Press, 2016.

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Coast range: A collection from the Pacific edge. 2016.

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Jaffe, Matthew. The Santa Monica Mountains: Range on the Edge. Angel City Press, 2007.

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Book chapters on the topic "Range edge"

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Jiang, Xiaoyi, and Horst Bunke. "Performance Assessment of Edge-Based Range Image Segmentation." In International Conference on Advances in Pattern Recognition, 83–92. London: Springer London, 1999. http://dx.doi.org/10.1007/978-1-4471-0833-7_9.

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Zhang, Guanghua, and Andrew Wallace. "Edge classification and depth reconstruction by fusion of range and intensity edge data." In Computer Vision — ECCV'92, 744–48. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/3-540-55426-2_84.

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Jiang, Xiaoyi. "Optimality analysis of edge detection algorithms for range images." In Image Analysis and Processing, 182–89. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/3-540-63507-6_200.

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Sertel, Olcay, and Cem Ünsalan. "Range Image Registration with Edge Detection in Spherical Coordinates." In Multimedia Content Representation, Classification and Security, 745–52. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11848035_98.

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Weiqing, Wang. "The Edge-Detection Algorithm Based on Enlarged Block-Range." In Lecture Notes in Electrical Engineering, 65–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27311-7_10.

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Jurdziński, Tomasz, and Krzysztof Nowicki. "On Range and Edge Capacity in the Congested Clique." In SOFSEM 2018: Theory and Practice of Computer Science, 305–18. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-73117-9_22.

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Zhang, G., and A. M. Wallace. "Edge Labelling by Fusion of Intensity and Range Data." In BMVC91, 412–15. London: Springer London, 1991. http://dx.doi.org/10.1007/978-1-4471-1921-0_62.

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Pratt, Anna L., and Catherine Ball. "Variation in Range of Movement Reporting in Dupuytren Disease." In Dupuytren Disease and Related Diseases - The Cutting Edge, 217–20. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-32199-8_29.

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Chaudhary, Hafiz Ahmad Awais, Ivan Guevara, Jobish John, Amandeep Singh, Tiziana Margaria, and Dirk Pesch. "Low-Code Internet of Things Application Development for Edge Analytics." In Internet of Things. IoT through a Multi-disciplinary Perspective, 293–312. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-18872-5_17.

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AbstractInternet of Things (IoT) applications combined with edge analytics are increasingly developed and deployed across a wide range of industries by engineers who are non-expert software developers. In order to enable them to build such IoT applications, we apply low-code technologies in this case study based on Model Driven Development. We use two different frameworks: DIME for the application design and implementation of IoT and edge aspects as well as analytics in R, and Pyrus for data analytics in Python, demonstrating how such engineers can build innovative IoT applications without having the full coding expertise. With this approach, we develop an application that connects a range of heterogeneous technologies: sensors through the EdgeX middleware platform with data analytics and web based configuration applications. The connection to data analytics pipelines can provide various kinds of information to the application users. Our innovative development approach has the potential to simplify the development and deployment of such applications in industry.
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Das, Dipankar, Yoshinori Kobayashi, and Yoshinori Kuno. "Object Detection and Localization in Clutter Range Images Using Edge Features." In Advances in Visual Computing, 172–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-10520-3_16.

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Conference papers on the topic "Range edge"

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Liu, Yuncai, and Thomas S. Huang. "Straight edge extraction and matching." In Close-Range Photogrammetry Meets Machine Vision. SPIE, 1990. http://dx.doi.org/10.1117/12.2294322.

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Olsen, S. I. "Two invariants in edge based stereo analysis." In Close-Range Photogrammetry Meets Machine Vision. SPIE, 1990. http://dx.doi.org/10.1117/12.2294338.

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Bunke, Horst. "Pose determination of polyhedral objects from unconstrained 3D edge points." In Close-Range Photogrammetry Meets Machine Vision. SPIE, 1990. http://dx.doi.org/10.1117/12.2294361.

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Kovacs, Viktor, and Gabor Tevesz. "Edge detection in discretized range images." In 2014 IEEE 15th International Symposium on Computational Intelligence and Informatics (CINTI). IEEE, 2014. http://dx.doi.org/10.1109/cinti.2014.7028676.

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Gupta, Sundeep, and Raghu J. Krishnapuram. "Morphologic edge detection in range images." In San Diego, '91, San Diego, CA, edited by Paul D. Gader and Edward R. Dougherty. SPIE, 1991. http://dx.doi.org/10.1117/12.46128.

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Wu, Kung C. "Heuristic edge detector for noisy range images." In Photonics for Industrial Applications, edited by David P. Casasent. SPIE, 1994. http://dx.doi.org/10.1117/12.189096.

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Delcroix, C. J., and M. A. Abidi. "Fusion Of Range And Intensity Edge Maps." In 1988 Robotics Conferences, edited by Paul S. Schenker. SPIE, 1989. http://dx.doi.org/10.1117/12.948925.

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Manzoni, Giulio, Pierpaolo Miotti, Federico De Grandis, E. Di Fabrizio, and L. Vaccari. "Prototyping and Characterisation of a Microthruster in the 10-1000 µN Range." In NanoTech 2002 - "At the Edge of Revolution". Reston, Virigina: American Institute of Aeronautics and Astronautics, 2002. http://dx.doi.org/10.2514/6.2002-5758.

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Wang, Jian, Zhen-qiang Yao, Yao-Jie Zhu, and Ming-de Yin. "Rapid Non-Template Edge Recognition in Range Image." In 2009 First International Conference on Information Science and Engineering. IEEE, 2009. http://dx.doi.org/10.1109/icise.2009.865.

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Lim, Hong-Seh. "Range data from stereo images of edge points." In Boston - DL tentative, edited by David P. Casasent. SPIE, 1991. http://dx.doi.org/10.1117/12.25236.

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Reports on the topic "Range edge"

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Lehrman, I. S. ICRF (Ion Cyclotron Range of Frequencies) edge modeling. Office of Scientific and Technical Information (OSTI), January 1990. http://dx.doi.org/10.2172/5007603.

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Lehrman, I. S., P. L. Colestock, D. H. McNeill, G. J. Greene, S. Bernabei, J. C. Hosea, M. Ono, J. L. Shohet, and J. R. Wilson. Edge measurements during ICRF (ion cyclotron range of frequency) heating on the PLT (Princeton Large Torus) tokamak. Office of Scientific and Technical Information (OSTI), April 1989. http://dx.doi.org/10.2172/6211995.

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Stafford, Kathleen. Monitoring Cetaceans in the North Pacific: Analysis of Retrospective SOSUS Data and Acoustic Detection on the Northern Edge Range. Fort Belvoir, VA: Defense Technical Information Center, December 2010. http://dx.doi.org/10.21236/ada535368.

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Barkan, Terrance. The Role of Graphene in Achieving e-Mobility in Aerospace Applications. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, December 2022. http://dx.doi.org/10.4271/epr2022030.

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<div class="section abstract"><div class="htmlview paragraph">Advanced two-dimensional (2D) materials discovered in the last two decades are now being produced at scale and are contributing to a wide range of performance enhancements in engineering applications. The most well-known of these novel materials is graphene, a nearly transparent nanomaterial comprising a single layer of bonded carbon atoms. In relative terms, it has the highest level of heat and electrical conductivity, protects against ultraviolet rays, and is strongest material ever measured. These properties have made graphene an attractive potential material for a variety of applications, particularly for transportation related uses, and especially for aerospace engineering. </div><div class="htmlview paragraph"><b>The Role of Graphene in Achieving e-Mobility in Aerospace Applications</b> reviews the current state of graphene-related aerospace applications and identifies the technological challenges facing engineers that look to benefit from graphene’s attractive properties.</div><div class="htmlview paragraph"><a href="https://www.sae.org/publications/edge-research-reports" target="_blank">Click here to access the full SAE EDGE</a><sup>TM</sup><a href="https://www.sae.org/publications/edge-research-reports" target="_blank"> Research Report portfolio.</a></div></div>
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Litaor, Iggy, James Ippolito, Iris Zohar, and Michael Massey. Phosphorus capture recycling and utilization for sustainable agriculture using Al/organic composite water treatment residuals. United States Department of Agriculture, January 2015. http://dx.doi.org/10.32747/2015.7600037.bard.

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Objectives: 1) develop a thorough understanding of the sorption mechanisms of Pi and Po onto the Al/O- WTR; 2) determine the breakthrough range of the composite Al/O-WTR during P capturing from agro- wastewaters; and 3) critically evaluate the performance of the composite Al/O-WTR as a fertilizer using selected plants grown in lysimeters and test-field studies. Instead of lysimeters we used pots (Israel) and one- liter cone-tainers (USA). We conducted one field study but in spite of major pretreatments the soils still exhibited high enough P from previous experiments so no differences between control and P additions were noticeable. Due to time constrains the field study was discontinued. Background: Phosphorous, a non-renewable resource, has been applied extensively in fields to increase crop yield, yet consequently has increased the potential of waterway eutrophication. Our proposal impetus is the need to develop an innovative method of P capturing, recycling and reuse that will sustain agricultural productivity while concurrently reducing the level of P discharge from and to agricultural settings. Major Conclusions & Achievements: An innovative approach was developed for P removal from soil leachate, dairy wastewater (Israel), and swine effluents (USA) using Al-based water treatment residuals (Al- WTR) to create an organic-Al-WTR composite (Al/O-WTR), potentially capable of serving as a P fertilizer source. The Al-WTR removed 95% inorganic-P, 80% to 99.9% organic P, and over 60% dissolved organic carbon from the agro-industrial waste streams. Organic C accumulation on particles surfaces possibly enhanced weak P bonding and facilitated P desorption. Analysis by scanning electron microscope (SEM- EDS), indicated that P was sparsely sorbed on both calcic and Al (hydr)oxide surfaces. Sorption of P onto WW-Al/O-WTR was reversible due to weak Ca-P and Al-P bonds induced by the slight alkaline nature and in the presence of organic moieties. Synchrotron-based microfocused X-ray fluorescence (micro-XRF) spectrometry, bulk P K-edge X-ray absorption near edge structure spectroscopy (XANES), and P K-edge micro-XANES spectroscopy indicated that adsorption was the primary P retention mechanism in the Al- WTR materials. However, distinct apatite- or octocalciumphosphatelike P grains were also observed. Synchrotron micro-XRF mapping further suggested that exposure of the aggregate exteriors to wastewater caused P to diffuse into the porous Al-WTR aggregates. Organic P species were not explicitly identified via P K-edge XANES despite high organic matter content, suggesting that organic P may have been predominantly associated with mineral surfaces. In screen houses experiments (Israel) we showed that the highest additions of Al/O-WTR (5 and 7 g kg⁻¹) produced the highest lettuce (Lactuca sativa L. var. longifolial) yield. Lettuce yield and P concentration were similar across treatments, indicating that Al/O- WTR can provide sufficient P to perform similarly to common fertilizers. A greenhouse study (USA) was utilized to compare increasing rates of swine wastewater derived Al/O-WTR and inorganic P fertilizer (both applied at 33.6, 67.3, and 134.5 kg P₂O₅ ha⁻¹) to supply plant-available P to spring wheat (TriticumaestivumL.) in either sandy loam or sandy clay loam soil. Spring wheat straw and grain P uptake were comparable across all treatments in the sandy loam, while Al/O-WTR application to the sandy clay loam reduced straw and grain P uptake. The Al/O-WTR did not affect soil organic P concentrations, but did increase phosphatase activity in both soils; this suggests that Al/O-WTR application stimulated microorganisms and enhance the extent to which microbial communities can mineralize Al/O-WTR-bound organic P. Implications: Overall, results suggest that creating a new P fertilizer from Al-WTR and agro-industrial waste sources may be a feasible alternative to mining inorganic P fertilizer sources, while protecting the environment from unnecessary waste disposal.
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Breitbarth, Marco, Anja Hentschel, and Simon Kaser. Kunststoffeinträge von Kunstrasenplätzen in Entwässerungssystem - Aufkommen, Rahmenbedingungen und Möglichkeiten der Eintragsminderung. Sonderforschungsgruppe Institutionenanalyse, 2022. http://dx.doi.org/10.46850/sofia.9783941627994.

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Plastics as an environmental problem have been in the focus of science, politics and the public for a long time. Various sources and pathways have already been identified and a wide range of measures have been developed to reduce and, if possible, avoid inputs into the environment. Artificial grass pitches represent a special source of plastic inputs into the environment. Artificial grass with different infill materials has been widely used for some time now on surfaces for a wide range of sports, both amateur and professional. It is characterised by various advantages over natural grass. However, the use of artificial grass on sports surfaces also has its downsides, especially for the environment. On the one hand, the synthetic grass fibres themselves, which become detached through wear, are problematic. On the other hand, synthetic granulate is used as infill material on these pitches to reduce the risk of injury to players, to support the blades of artificial grass and to improve the playing characteristics of the field. However, this granulate can enter the environment in various ways - indirectly via drainage systems or directly. The following comments reflect research results from the InRePlast project. In the following chapter 2, the results of our own investigations on the topic are presented. In Chapter 3, these are compared to other publications and evaluated with regard to their significance. Chapter 4 is devoted to technical and organisational measures to reduce discharges as well as legal approaches to regulation. Finally, Chapter 5 draws a conclusion. Among other things, the study concludes that artificial grass pitches are less relevant as a specific source of plastic inputs than previously discussed. It should also be noted that the input into drainage systems via the collection of dirty water has a significantly higher relevance than the input via the collection of precipitation at the edge of the pitch and that measures should therefore focus on the carry-over on players' clothing and shoes.
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Whetstone, James R. Measurements of coefficients of discharge for concentric flange-tapped square-edged orifice meters in water over the Reynolds number range 600 to 2,700,000. Gaithersburg, MD: National Bureau of Standards, 1989. http://dx.doi.org/10.6028/nist.tn.1264.

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Whetstone, James R. Measurements of coefficients of discharge for concentric flange-tapped square-edged orifice meters in natural gas over the Reynolds number range 25,000 to 16,000,000. Gaithersburg, MD: National Bureau of Standards, 1989. http://dx.doi.org/10.6028/nist.tn.1270.

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Iselin, Columbus O'Donnell. Summary of bathythermograph observations from the western North Atlantic : October 1940 - December 1941. Woods Hole Oceanographic Institution, December 2022. http://dx.doi.org/10.1575/1912/29563.

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The range of submarine detection is frequently limited by the refraction produced by vertical temperature gradients in the superficial layers of the ocean. In order to measure these temperature gradients and thus to permit predictions of the range, the bathythermograph was developed and is now being used on a considerable number of anti-submarine vessels, while a somewhat modified version of the instrument is being tried out on submarines. Some 6675 bathythermograph observations from the western North Atlantic have been examined in order to determine how frequently such observations should be made so that within practical limits and anti-submarine vessel may at all times know the assured range of its sound gear. The occurrence of the four basic types of refraction patterns is shown by a series of six charts. For all but one of these patterns the range can be rather quickly and easily estimated from simple tables; but when the so-called afternoon effect is encountered, which is on the average about 20% of the time, a more complete analysis is necessary. It is found that under the most unfavorable circumstances, that is, in mid-summer and near the edges of a strong current system, there is about one chance in three that the refraction pattern will chance significantly in a distance of four miles. At other times of year and in areas where horizontal variations in temperature are less pronounced a single bathythermograph observation can be considered representative of a much larger area. It is also shown that in the western North Atlantic about 92% of the time in summer and about 34% of the time in winter the assured range of submarine detection is limited by refraction to less than 2500 yards.
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Allen, Kathy, Andy Nadeau, and Andy Robertston. Natural resource condition assessment: Salinas Pueblo Missions National Monument. National Park Service, May 2022. http://dx.doi.org/10.36967/nrr-2293613.

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The Natural Resource Condition Assessment (NRCA) Program aims to provide documentation about the current conditions of important park natural resources through a spatially explicit, multi-disciplinary synthesis of existing scientific data and knowledge. Findings from the NRCA will help Salinas Pueblo Missions National Monument (SAPU) managers to develop near-term management priorities, engage in watershed or landscape scale partnership and education efforts, conduct park planning, and report program performance (e.g., Department of the Interior’s Strategic Plan “land health” goals, Government Performance and Results Act). The objectives of this assessment are to evaluate and report on current conditions of key park resources, to evaluate critical data and knowledge gaps, and to highlight selected existing stressors and emerging threats to resources or processes. For the purpose of this NRCA, staff from the National Park Service (NPS) and Saint Mary’s University of Minnesota – GeoSpatial Services (SMUMN GSS) identified key resources, referred to as “components” in the project. The selected components include natural resources and processes that are currently of the greatest concern to park management at SAPU. The final project framework contains nine resource components, each featuring discussions of measures, stressors, and reference conditions. This study involved reviewing existing literature and, where appropriate, analyzing data for each natural resource component in the framework to provide summaries of current condition and trends in selected resources. When possible, existing data for the established measures of each component were analyzed and compared to designated reference conditions. A weighted scoring system was applied to calculate the current condition of each component. Weighted Condition Scores, ranging from zero to one, were divided into three categories of condition: low concern, moderate concern, and significant concern. These scores help to determine the current overall condition of each resource. The discussions for each component, found in Chapter 4 of this report, represent a comprehensive summary of current available data and information for these resources, including unpublished park information and perspectives of park resource managers, and present a current condition designation when appropriate. Each component assessment was reviewed by SAPU resource managers, NPS Southern Colorado Plateau Network (SCPN) staff, or outside experts. Existing literature, short- and long-term datasets, and input from NPS and other outside agency scientists support condition designations for components in this assessment. However, in some cases, data were unavailable or insufficient for several of the measures of the featured components. In other instances, data establishing reference condition were limited or unavailable for components, making comparisons with current information inappropriate or invalid. In these cases, it was not possible to assign condition for the components. Current condition was not able to be determined for six of the ten components due to these data gaps. For those components with sufficient available data, the overall condition varied. Two components were determined to be in good condition: dark night skies and paleontological resources. However, both were at the edge of the good condition range, and any small decline in conditions could shift them into the moderate concern range. Of the components in good condition, a trend could not be assigned for paleontological resources and dark night skies is considered stable. Two components (wetland and riparian communities and viewshed) were of moderate concern, with no trend assigned for wetland and riparian communities and a stable trend for viewshed. Detailed discussion of these designations is presented in Chapters 4 and 5 of this report. Several park-wide threats and stressors influence the condition of priority resources in SAPU...
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