Bibliografías temáticas / Cape Cod (Mass.) – Guidebooks

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Literatura académica sobre el tema "Cape Cod (Mass.) – Guidebooks"

Autor: Grafiati

Publicado: 25 de julio de 2024

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Artículos de revistas sobre el tema "Cape Cod (Mass.) – Guidebooks"

Sampson, Kate, Constance Merigo, Kerry Lagueux, et al. "Clinical assessment and postrelease monitoring of 11 mass stranded dolphins on Cape Cod, Massachusetts." Marine Mammal Science 28, no. 4 (2012): E404—E425. http://dx.doi.org/10.1111/j.1748-7692.2011.00547.x.

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Sharp, Sarah M., Charles T. Harry, Jane M. Hoppe, et al. "A comparison of postrelease survival parameters between single and mass stranded delphinids from Cape Cod, Massachusetts, U.S.A." Marine Mammal Science 32, no. 1 (2015): 161–80. http://dx.doi.org/10.1111/mms.12255.

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Benson, Micah J., Jeffrey D. Gawronski, Douglas E. Eveleigh, and David R. Benson. "Intracellular Symbionts and Other Bacteria Associated with Deer Ticks (Ixodes scapularis) from Nantucket and Wellfleet, Cape Cod, Massachusetts." Applied and Environmental Microbiology 70, no. 1 (2004): 616–20. http://dx.doi.org/10.1128/aem.70.1.616-620.2004.

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ABSTRACT The diversity of bacteria associated with the deer tick (Ixodes scapularis) was assessed using PCR amplification, cloning, and sequencing of 16S rRNA genes originating from seven ticks collected from Nantucket Island and Wellfleet, Cape Cod, Mass. The majority of sequences obtained originated from gram-negative proteobacteria. Four intracellular bacteria were detected including strains of Ehrlichia, Rickettsia, and Wolbachia and an organism related to intracellular insect symbionts from the Cytophaga-Flavobacterium-Bacteroides group. Several strains of members of the Sphingomonadaceae were also detected in all but one tick. The results provide a view of the diversity of bacteria associated with I. scapularis ticks in the field.

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Ackerman, S. A., A. S. Bachmeier, K. Strabala, and M. Gunshor. "A Unique Satellite Perspective of the 13–14 January 2004 Record Cold Outbreak in the Northeast." Weather and Forecasting 20, no. 2 (2005): 222–25. http://dx.doi.org/10.1175/waf842.1.

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Abstract A cold, dry arctic air mass occupied southeastern Canada and the northeastern United States on 13–14 January 2004. This air mass was quite dry—total column precipitable water values at Pickle Lake, Ontario, Canada, and The Pas, Manitoba, Canada, were as low as 0.02 in. (0.5 mm)—allowing significant amounts of radiation originating from the surface to be detected using Geostationary Operational Environmental Satellite (GOES) 6.5-μm “water vapor channel” imagery. On this day the strong thermal gradient between the very cold snow-covered land surface in southern Canada and the warmer, unfrozen, cloud-free water along the northern portion of the Great Lakes was quite evident in GOES-12 imager water vapor channel data. Several hours later, as the cold dry air mass moved eastward, the coast of Maine, Cape Cod, and the Saint Lawrence River were also apparent in the water vapor channel imagery.

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Crooks, Garrett C., Sarah M. Sharp, Constance Merigo, Kathleen M. Moore, and Charles J. Innis. "Hematologic and Serum Biochemical Data from Mass Stranded Long-Finned Pilot Whales (Globicephala melas), Cape Cod, USA, 2002." Aquatic Mammals 47, no. 1 (2021): 76–85. http://dx.doi.org/10.1578/am.47.1.2021.76.

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Harvey, Ronald W., Naleen Mayberry, Nancy E. Kinner, David W. Metge, and Franco Novarino. "Effect of Growth Conditions and Staining Procedure upon the Subsurface Transport and Attachment Behaviors of a Groundwater Protist." Applied and Environmental Microbiology 68, no. 4 (2002): 1872–81. http://dx.doi.org/10.1128/aem.68.4.1872-1881.2002.

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ABSTRACT The transport and attachment behaviors of Spumella guttula (Kent), a nanoflagellate (protist) found in contaminated and uncontaminated aquifer sediments in Cape Cod, Mass., were assessed in flowthrough and static columns and in a field injection-and-recovery transport experiment involving an array of multilevel samplers. Transport of S. guttula harvested from low-nutrient (10 mg of dissolved organic carbon per liter), slightly acidic, granular (porous) growth media was compared to earlier observations involving nanoflagellates grown in a traditional high-nutrient liquid broth. In contrast to the highly retarded (retardation factor of ∼3) subsurface transport previously reported for S. guttula, the peak concentration of porous-medium-grown S. guttula traveled concomitantly with that of a conservative (bromide) tracer. About one-third of the porous-medium-grown nanoflagellates added to the aquifer were transported at least 2.8 m downgradient, compared to only ∼2% of the broth-grown nanoflagellates. Flowthrough column studies revealed that a vital (hydroethidine [HE]) staining procedure resulted in considerably less attachment (more transport) of S. guttula in aquifer sediments than did a staining-and-fixation procedure involving 4′,6′-diamidino-2-phenylindole (DAPI) and glutaraldehyde. The calculated collision efficiency (∼10−2 for porous-medium-grown, DAPI-stained nanoflagellates) was comparable to that observed earlier for the indigenous community of unattached groundwater bacteria that serve as prey. The attachment of HE-labeled S. guttula onto aquifer sediment grains was independent of pH (over the range from pH 3 to 9) suggesting a primary attachment mechanism that may be fundamentally different from that of their prey bacteria, which exhibit sharp decreases in fractional attachment with increasing pH. The high degree of mobility of S. guttula in the aquifer sediments has important ecological implications for the protistan community within the temporally changing plume of organic contaminants in the Cape Cod aquifer.

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Liu, Jianjun, and Zhanqing Li. "Aerosol properties and their influences on low warm clouds during the Two-Column Aerosol Project." Atmospheric Chemistry and Physics 19, no. 14 (2019): 9515–29. http://dx.doi.org/10.5194/acp-19-9515-2019.

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Abstract. Twelve months of measurements collected during the Two-Column Aerosol Project field campaign at Cape Cod, Massachusetts, which started in the summer of 2012, were used to investigate aerosol physical, optical, and chemical properties and their influences on the dependence of cloud development on thermodynamic (i.e., lower tropospheric stability, LTS) conditions. Relationships between aerosol loading and cloud properties under different dominant air-mass conditions and the magnitude of the first indirect effect (FIE), as well as the sensitivity of the FIE to different aerosol compositions, are examined. The seasonal variation in aerosol number concentration (Na) was not consistent with variations in aerosol optical properties (i.e., scattering coefficient, σs, and columnar aerosol optical depth). Organics were found to have a large contribution to small particle sizes. This contribution decreased during the particle growth period. Under low-aerosol-loading conditions, the liquid water path (LWP) and droplet effective radius (DER) significantly increased with increasing LTS, but, under high-aerosol-loading conditions, LWP and DER changed little, indicating that aerosols significantly weakened the dependence of cloud development on LTS. The reduction in LWP and DER from low- to high-aerosol-loading conditions was greater in stable environments, suggesting that clouds under stable conditions are more susceptible to aerosol perturbations than those under more unstable conditions. High aerosol loading weakened the increase in DER as LWP increased and strengthened the increase in cloud optical depth (COD) with increasing LWP, resulting in changes in the interdependence of cloud properties. Under both continental and marine air-mass conditions, high aerosol loading can significantly increase COD and decrease LWP and DER, narrowing their distributions. Magnitudes of the FIE estimated under continental air-mass conditions ranged from 0.07±0.03 to 0.26±0.09 with a mean value of 0.16±0.03 and showed an increasing trend as LWP increased. The calculated FIE values for aerosols with a low fraction of organics are greater than those for aerosols with a high fraction of organics. This implies that clouds over regions dominated by aerosol particles containing mostly inorganics are more susceptible to aerosol perturbations, resulting in larger climate forcing, than clouds over regions dominated by organic aerosol particles.

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Vermande, S. M., S. Sötemann, G. Aguilera Soriano, M. Wentzel, J. M. Audic, and G. Ekama. "Comparison of aerobic and anoxic phosphorus uptake in ndbepr systems (uct and enbnras)." Water Science and Technology 46, no. 4-5 (2002): 201–7. http://dx.doi.org/10.2166/wst.2002.0587.

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Two Nitrification-Denitrification Biological Excess Phosphorus Removal (NDBEPR) systems have been operated for 8.5 months in order to compare their Biological Excess Phosphorus Removal (BEPR) performance. One of these systems, i.e. the University of Cape Town (UCT) system, exhibits mainly aerobic P uptake while the External Nitrification Biological Nutrient Removal Activated Sludge (ENBNRAS) system is characterised by high anoxic P uptake. It was observed that when operating with predominantly aerobic P uptake, the UCT system released more P than the ENBNRAS system, even though it had a lower anaerobic mass fraction. However, when the influent TKN/COD was high, i.e. &gt;0.1, anoxic P uptake also occurred in the UCT system and P release dropped to lower levels than in the ENBNRAS. Accordingly, P uptake of the UCT system was 5 mg P/l influent higher than that of the ENBNRAS system, when it was predominantly aerobic, but 9 mg P/l influent lower when anoxic P uptake occurred. As a result, the UCT system achieved superior P removal when aerobic P uptake was predominant (23% higher), but when high influent TKN/COD promoted anoxic P uptake the P removal of the UCT system was poorer than that of the ENBNRAS system. This study clearly showed that anoxic P uptake is not beneficial to NDBEPR systems.

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Kerfoot, William B., and Jon R. Soderberg. "PNEUMATIC HAMMER SOIL VAPOR PROBES AND MINIATURE PIEZOMETERS FOR GASOLINE SPILL DELINEATION AND CLEANUP." International Oil Spill Conference Proceedings 1989, no. 1 (1989): 115–18. http://dx.doi.org/10.7901/2169-3358-1989-1-115.

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ABSTRACT In a new twist on an old procedure, pneumatically injected miniature well points may change soil investigations much as nail guns have changed carpentry. Soil vapor analysis has increasingly gained attention as a means of locating and monitoring subsurface gasoline spills. Accurate depiction of the plume position requires reproducible vapor detection and monitoring. In addition, static water level needs to be determined to understand flow direction. Miniature aluminum slitted well points can be mass-produced by computer-aided production facilities to create low-cost identical copies about 10 cm in length. The small points can be inserted into shafts and injected into the ground. The shaft is then pulled back, leaving a flexible teflon or polypropylene tubing attached. A gasoline spill at Falmouth, Cape Cod, Massachusetts, provided an opportunity to test the use of the injected “shield” points. More than 40 vapor points were installed in two days during four transects across a product plume located 10 m below grade.

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Titos, G., A. Jefferson, P. J. Sheridan, et al. "Aerosol light-scattering enhancement due to water uptake during TCAP campaign." Atmospheric Chemistry and Physics Discussions 14, no. 3 (2014): 3361–93. http://dx.doi.org/10.5194/acpd-14-3361-2014.

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Abstract. Aerosol optical properties were measured by the DOE/ARM (US Department of Energy Atmospheric Radiation Measurements) Program Mobile Facility in the framework of the Two-Column Aerosol Project (TCAP) deployed at Cape Cod, Massachusetts, for a~one year period (from summer 2012 to summer 2013). Measured optical properties included aerosol light-absorption coefficient (σap) at low relative humidity (RH) and aerosol light-scattering coefficient (σsp) at low and at RH values varying from 30 to 85%, approximately. Calculated variables included the single scattering albedo (SSA), the scattering Ångström exponent (SAE) and the scattering enhancement factor (f(RH)). Over the period of measurement, f(RH = 80%) had a mean value of 1.9 ± 0.3 and 1.8 ± 0.4 in the PM10 and PM1 fractions, respectively. Higher f(RH = 80%) values were observed for wind directions from 0–180° (marine sector) together with high SSA and low SAE values. The wind sector from 225 to 315° was identified as an anthropogenically-influenced sector, and it was characterized by smaller, darker and less hygroscopic aerosols. For the marine sector, f(RH = 80%) was 2.2 compared with a value of 1.8 obtained for the anthropogenically-influenced sector. The air-mass backward trajectory analysis agreed well with the wind sector analysis. It shows low cluster to cluster variability except for air-masses coming from the Atlantic Ocean that showed higher hygroscopicity. Knowledge of the effect of RH on aerosol optical properties is of great importance for climate forcing calculations and for comparison of in-situ measurements with satellite and remote sensing retrievals. In this sense, predictive capability of f(RH) for use in climate models would be enhanced if other aerosol parameters could be used as proxies to estimate hygroscopic growth. Toward this goal, we propose an exponential equation that successfully estimates aerosol hygroscopicity as a function of SSA at Cape Cod. Further work is needed to determine if the equation obtained is valid in other environments.

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