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40 results for “Portland”
Monthly mean sea level data (1912-2018) relative to NAVD88 for Portland, Maine, NOAA/NOS
Monthly sea level data for NOAA/NOS station 8418150, Portland, Maine. Tidal bench marks directions from north bound Interstate 295 in Portland, take the Waterfront Exit (Alt. U.S. 1) to Commercial Street, then continue NE along Commercial Street for 2.4 km (1.5 mi) to the Maine State Pier, the last pier- warehouse along the waterfront. The bench marks are located within 1.6 km (1 mi) radius of tide station. The tide gage is located in the south corner on the off shore end of the Maine State Pier. NOAA/NOS Center for Operational Oceanographic Products and Services (CO-OPS).
Dissolved organic matter characterization for seasonal synoptic sampling of 100 urban streams in Portland, Oregon (USA) from 2023-2024
This dataset contains dissolved organic matter characteristics from surface water samples collected at 100 urban stream locations in the greater Portland, Oregon metropolitan area. Samples were collected four times (July 2023, October 2023, January 2024, and May 2024) to capture spatial and seasonal variation in DOC concentrations. Fluorescent optical properties were measured on filtered water samples to understand the chemical composition of dissolved organic matter. Excitation-Emission Matrices (EEMs) were measured using a Horiba Aqualog spectrometer. DOM characteristics were quantified using both standard fluorescence and absorbance metrics as well as through parallel factor (PARAFAC) analysis. These data were collected as part of the Carbon in Urban Rivers Biogeochemistry (CURB) Project. Detailed field data and site data are published separately and can be linked using the “curbid” and “synoptic_event” columns in each dataset.
Dissolved organic carbon concentrations for seasonal synoptic sampling of 100 urban streams in Portland, Oregon (USA) from 2023-2024
This dataset contains dissolved organic carbon concentrations from surface water samples collected at 100 urban stream locations in the greater Portland, Oregon metropolitan area. Samples were collected four times (July 2023, October 2023, January/February 2024, and May 2024) to capture spatial and seasonal variation in DOC concentrations. Filtered stream samples were analyzed for dissolved organic carbon concentration. These data were collected as part of the Carbon in Urban Rivers Biogeochemistry (CURB) Project. Detailed field data and site data are published separately and can be linked using the “curbid” and “synoptic_event” columns in each dataset
Field data for seasonal synoptic sampling of 100 urban streams in Portland, Oregon (USA), 2023-2024
This dataset contains field measurements taken during water sampling from 100 urban stream locations in the greater Portland, Oregon (USA) metropolitan area. Field collection took place during four synoptic sampling events (July 2023, October 2023, January/February 2024, and May 2024) to capture spatial and seasonal variation in stream conditions (specific conductivity, water temperature, dissolved oxygen, pH, ORP). Filtered stream samples were analyzed for dissolved organic carbon concentration and characteristics, available in a separate dataset. These data were collected as part of the Carbon in Urban Rivers Biogeochemistry (CURB) Project. Detailed field data and site data are published separately and can be linked using the “curbid” and “synoptic_event” columns in each dataset.
Figure 3 in Pliocene marine mammals from the Whalers Bluff Formation of Portland, Victoria, Australia
Figure 3. Mysticeti and Physeteridae from the Pliocene Whalers Bluff Formation, Portland. A, Balaenidae gen. et sp. indet., incomplete right periotic, NMV P218269, in ventrolateral view (AC); B, Balaenopteridae gen. et sp. indet., incomplete right periotic, NMV P218268, in ventral view (AC); C, cf. Physeter sp., apical crown of tooth, NMV P218298, in side view (AC). Scale bars equal 10 mm.
Figure 7 in Pliocene marine mammals from the Whalers Bluff Formation of Portland, Victoria, Australia
Figure 7. Delphinus sp. or Stenella sp. (Pliocene Whalers Bluff Formation, Portland, Victoria, Australia), left periotic, NMV P218265 (AC). A, ventral view. B, cranial view. C, medial view. D, lateral view. Scale bar equals 10 mm.
Figure 2 in Pliocene marine mammals from the Whalers Bluff Formation of Portland, Victoria, Australia
Figure 2. Stratigraphic correlation of the Portland fossil marine mammal-bearing formations with selected major late Neogene marine mammalbearing units. Stratigraphy and geochronology are from Barnes (1973, 1977, 1984, 1998), Muizon and DeVries (1985), Muizon and Bellon (1986), Gottfried et al. (1994), Whitmore (1994), Prothero (1998), Fordyce (2002a), Fordyce et al. (2002), Fitzgerald (2004b), Muizon et al. (2004), Barnes et al. (2005) and Gradstein et al. (2004). Abbreviations: AGL, Pisco Formation, Aguada de Lomas level; BL, Batesford Limestone; BRS, Black Rock Sandstone; CLB, Pisco Formation, Cerro la Bruja; ELJ, Pisco Formation, El Jahuay level; GBF, Grange Burn Formation; LAF, Lower Member, Almejas Formation; MTM, Pisco Formation, Montemar level; SAO, Pisco Formation, Sacaco level; SAS, Pisco Formation, Sud-Sacaco level; SDF, San Diego Formation; UAF, Upper Member, Almejas Formation; WBF, Whalers Bluff Formation.
Figure 10 in Pliocene marine mammals from the Whalers Bluff Formation of Portland, Victoria, Australia
Figure 10.?Phocidae gen. et sp. indet. (Pliocene Whalers Bluff Formation, Portland, Victoria, Australia), incomplete left mandible, NMV P218465 (AC). A, dorsal view. B, lateral view. C, medial view. Black arrow in B points to mental foramen. Scale bar equals 10 mm
Figure 1 in Pliocene marine mammals from the Whalers Bluff Formation of Portland, Victoria, Australia
Figure 1. Locality of Portland in Victoria, south-east Australia, and the Portland fossil marine vertebrate localities. Fossils have been collected as float along the beach and from adjacent cliffs between Dutton Way and Portland Harbour. Black shading indicates areas of cliff outcrop of the Whalers Bluff Formation.
Figure 4 in Pliocene marine mammals from the Whalers Bluff Formation of Portland, Victoria, Australia
Figure 4. Miocene to Recent Kogiidae tympanics. A-B, Kogiidae gen. et sp. indet. (Pliocene Whalers Bluff Formation, Portland, Victoria, Australia), incomplete left tympanic, NMV P218407 (AC). C-D, Kogiidae gen. et sp. undet. (Lower Pliocene Yorktown Formation, Lee Creek Mine, North Carolina, U.S.A.), incomplete left tympanic, USNM 251118. E-F, Scaphokogia cochlearis (Upper Miocene Pisco Formation, Aguada de Lomas level, Arequipa Department, Peru), incomplete left tympanic, USNM 452993. G-H, Kogiidae gen. et sp. undet. (Lower Pliocene Yorktown Formation, Lee Creek Mine, North Carolina, U.S.A.), incomplete right tympanic, USNM 183008. I-J, Kogia breviceps (Recent, Shelley Beach, Victoria, Australia), incomplete left tympanic, NMV C24976. A, C, E, G, I, all in dorsal view. B, D, F, H, J, all in ventral view. Scale bars equal 10 mm.
Figure 5 in Pliocene marine mammals from the Whalers Bluff Formation of Portland, Victoria, Australia
Figure 5. Miocene to Pliocene Physeteridae tympanics. A-B, Physeteridae gen. et sp. undet. (Lower Pliocene Yorktown Formation, Lee Creek Mine, North Carolina, U.S.A.), right tympanic, USNM 183007. C-D, Orycterocetus crocodilinus (Middle Miocene Calvert Formation, Zone 14, south of Randle Cliff Beach, Calvert County, Maryland, U.S.A.), right tympanic, USNM 22953. A and C in dorsal view. B and D in ventral view. Scale bars equal 10 mm.
Figure 9 in Pliocene marine mammals from the Whalers Bluff Formation of Portland, Victoria, Australia
Figure 9. Delphinidae gen. et sp. undet. A (Pleistocene-Pliocene Red Crag, Henley, England), right periotic, NMV P218481 (AC). A, ventral view. B, cranial view. C, medial view. D, lateral view. Scale bar equals 10 mm.
Raw data for: Portland and Belite cement hydration acceleration by C-S-H seeds with variable w/c ratios
<p>Raw data for: "Portland and Belite cement hydration acceleration by C-S-H seeds with variable w/c ratios".</p> <p>Includes: Calorimetry, TA, LXRPD and MIP data.</p> <p> </p> <p>doi: <a href="https://doi.org/10.3390/ma15103553">https://doi.org/10.3390/ma15103553</a></p>
Rietveld Quantitative Phase Analyses of SRM 2686a: a Standard Portland Clinker. doi: https://doi.org/10.1016/j.cemconres.2018.09.011
<p>SRM 2686a is a NIST reference Portland clinker with a reported mineralogical analysis from powder diffraction and electron microscopy. This sample is used in ASTM C1365 test method for Rietveld quantitative phase analysis validation procedure. Here, we have analysed SRM 2686a by using three state-of-the-art powder diffraction configurations: i) strictly monochromatic CuKα<sub>1</sub> radiation in flat reflection geometry; ii) strictly monochromatic MoKα<sub>1</sub> radiation in flat transmission geometry; and iii) synchrotron radiation in rotating capillary transmission geometry. The silicate and aluminate enriched residues have also been studied by CuKα<sub>1</sub> powder diffraction. All the powder patterns were analysed by Rietveld method with the best available protocols. The results indicate that belite in SRM 2686a is composed of three polymorphs (b-, α’<sub>H</sub>- and g-) that must be included in the analyses. The use of a unique phase for describing belite (b-polymorph) could explain the problems found for implementing ASTM C1365 in some cement manufacturing plants. Furthermore, all the patterns are deposited as open data access at Zenodo, so interested laboratories can analyse these data to verify their protocols.</p>
Linked collectors and determiners for: Portland State Universtiy Herbarium Bryophytes.
Natural history specimen data linked to collectors and determiners held within, "Portland State Universtiy Herbarium Bryophytes". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/b47918e2-469a-448c-b332-9bc2c4ab8234">https://bionomia.net/dataset/b47918e2-469a-448c-b332-9bc2c4ab8234</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/b47918e2-469a-448c-b332-9bc2c4ab8234">https://gbif.org/dataset/b47918e2-469a-448c-b332-9bc2c4ab8234</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: Portland State University Herbarium Lichens.
Natural history specimen data linked to collectors and determiners held within, "Portland State University Herbarium Lichens". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/0bb9c1b2-ba4e-4c7e-a77e-1ac966331ebe">https://bionomia.net/dataset/0bb9c1b2-ba4e-4c7e-a77e-1ac966331ebe</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/0bb9c1b2-ba4e-4c7e-a77e-1ac966331ebe">https://gbif.org/dataset/0bb9c1b2-ba4e-4c7e-a77e-1ac966331ebe</a>. Formatted as a Frictionless Data package.
Dataset for "Influence of curing temperature on belite cement hydration: a comparative study with Portland cement" paper
<p>Dataset for paper (doi: <a title="Persistent link using digital object identifier" href="https://doi.org/10.1016/j.cemconres.2021.106499" target="_blank" rel="noreferrer noopener"><span>https://doi.org/10.1016/j.cemconres.2021.106499</span></a>) with the abstract "Belite cements (BCs) could be a more sustainable binder than Portland cements (PCs) but adequate knowledge of the hydration features has still to be built. In particular, the mild curing hydration temperature effects have been extensively studied for PCs but not for BCs. This research was triggered by a previous work reporting improved mechanical strengths of BCs at higher curing temperatures. Here, we report the hydration characteristics of a BC at 20, 40 and 60ºC and compared to those of a typical PC. We have corroborated previous findings and used a multi-technique approach including Rietveld phase analysis, thermal analysis, calorimetry, silicon MAS-NMR, mercury intrusion porosimetry and chiefly synchrotron X-ray microtomography, to thoroughly understand the different behavior. In a nutshell, the improved mechanical performances at mild curing temperatures for BCs are due to a much larger belite degree of reaction without a significant porosity coarsening."</p>
"The Forbidden City" of Portland
"HMS Osprey's former DISTEX site... Ship crews from Britain and various other countries would carry out exercises and riot training along this stretch of ground and inside the buildings surrounding it. A lot of effort went in to the exercises to make them as real-to-life as possible with casualties even sporting fake blood and broken bones." https://www.theurbanexplorer.co.uk/east-weare-batteries-distex-site-portland-dorset/ http://www.geoffkirby.co.uk/Portland/695735/ Source: Objaverse 1.0 / Sketchfab
Japanese Lantern at Portland Japanese Garden
This is a tall lantern in the driveway of the Portland Japanese Garden in Oregon. Source: Objaverse 1.0 / Sketchfab
Drinking Fountain Great Portland Street
http://www.mdfcta.co.uk/details-f/f218.html Photos taken in February 2019 with a Sony a6000 and processed in Agisoft Metashape. Source: Objaverse 1.0 / Sketchfab
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