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  • Woods Hole Oceanographic Institution  (400)
  • Frontiers Media S.A.  (66)
  • 2020-2023  (466)
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  • 1
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    Data to accompany “Direct observation of wave-coherent pressure work in the atmospheric boundary layer” (2022)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-12-30
    Description: As described in the methods section of “Direct Observation of Wave-coherent Pressure Work in the Atmospheric Boundary Layer”: Measurements were made from an open-lattice steel tower deployed in roughly 13 m water depth in Buzzards Bay, MA. Buzzards Bay is a 48 km by 12 km basin open on the SW side to Rhode Island Sound. The average depth is 11 m, with a tide range of 1 to 1.5 m, depending on the neap/spring cycles. Winds in Buzzards Bay are frequently aligned on the long-axis (from the NE or SW), and are commonly strong, particularly in the fall and winter. The tower was deployed near the center of the bay at 41.577638 N, 70.745555 W for a spring deployment lasting from April 12, 2022 to June 13th, 2022. Atmospheric measurements included three primary instrument booms that housed paired sonic anemometers (RM Young 81000RE) and high-resolution pressure sensors (Paros Scientific). The pressure sensor intakes were terminated with static pressure heads, which reduce the dynamic pressure contribution to the measured (static) pressure. The tower booms were aligned at 280 degrees such that the NE and SW winds would be unobstructed by the tower's main body. A fourth sonic anemometer (Gill R3) was extended above the tower such that it was open to all wind directions and clear of wake by the tower structure. A single point lidar (Riegl LD90-3i) was mounted to the highest boom, such that the lidar measured the water surface elevation underneath the anemometer and pressure sensors to within a few centimeters horizontally. All instruments were time synchronized with a custom "miniNode" flux logger, that aggregated the data streams from each instrument. Additional atmospheric and wave measurements on the tower included short-wave and long-wave radiometers (Kipp & Zonen), two RH/T sensors (Vaisala), and a standard lower-resolution barometer (Setra).
    Description: National Science Foundation, Division of Ocean Sciences (OCE) Award 2023020
    Keywords: Air/sea interaction ; Surface waves ; Boundary layers ; Turbulence ; Pressure work
    Repository Name: Woods Hole Open Access Server
    Type: Dataset
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  • 2
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    Natural hazards and earthquake science: Gender matters (2022)
    Frontiers Media S.A.
    Details
    Publication Date: 2022-12-22
    Description: Gender equality is far from being reached in the areas of Science, Technology, Engineering, and Mathematics. Women in Earth Sciences still remain underrepresented although positive trends are recognized in the last decades. Dealing with gender inequalities in academia, however, is only part of the problem. As well as Earth Sciences need more women in leadership positions and decision-making committees, and more girls educated in the field, alike there are well-founded reasons for scientists to put attention to gender in a broader sense. According to United Nations, inadequate attention has been given how gender inequality drives disaster risks and impacts. The present contribution aims to broaden the gender perspective from improving underrepresentation in the workplace and breaking down barriers in research careers, to including gender in research content in an extensive sense. A paradigm shift is proposed from women in science to women in society, coping with gender-responsive disaster risk reduction and multiple gender dimensions in Earth Sciences. Counterbalancing present inequalities in the workplace, as well as applying a gender lens in all hazard-related activities is needed to cope with complex social systems in earthquake-prone areas. An intersectional approach and transdisciplinary research are needed.
    Description: Published
    Description: 1033321
    Description: 2TM. Divulgazione Scientifica
    Description: JCR Journal
    Keywords: gender, women, gender-responsive, disaster risk reduction, natural hazards, earthquake science ; 05.03. Educational, History of Science, Public Issues ; 05.09. Miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 3
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    Public earthquake communication in Italy through a multi-source social media platform: The INGVterremoti experience (2010–2022) (2022)
    Frontiers Media S.A.
    Details
    Publication Date: 2022-12-16
    Description: Communicating scientific information about earthquakes is an important and delicate issue in countries like Italy, where seismic risk is high. Furthermore, continuous and scientifically sound communication is needed, especially in recent times when social media have amplified the risk of being biased by misinformation, fake news and conspiracy theories. For this reason, we have developed a communication strategy for earthquake science and risk in Italy, mostly based on social media. The INGVterremoti platform was born between 2010 and 2012 with the goal of increasing scientific information released to the public, and also establishing a two-way communication channel between scientists and citizens. In the past 12 years, the INGVterremoti platform has gained trust and popularity, increasing the number of involved people, which amounts today to several hundred thousand. The platform consists of a coordinated suite of social media channels and a blog-magazine, where updates on ongoing earthquake sequences and posts on scientific topics are continuously published. Our end users are mostly citizens, but also authorities and media. Special attention has been given to interactions with the public, especially on our Facebook page, in order to understand their information needs, identify rumors and fake news, particularly in areas affected by seismic sequences, and address the most pressing requests. In this paper we describe the INGVterremoti strategy, the different media that we use, focusing on their strengths and weaknesses. We concentrate on the experience, carried out in the last few years, of the publication of provisional information on ongoing earthquakes, a long-standing issue strongly requested by our followers. The INGVterremoti platform has played a fundamental role in many seismic sequences of the past 12 years in Italy, starting from the Emilia sequence in 2012, to the central Italy one, started with the deadly earthquake of 24 August 2016 and still ongoing. Besides the periods of high attention after strong earthquakes, we used the INGVterremoti social media as a tool for releasing continuous and sound information to the public, and as a way to involve citizens in the communication arena.
    Description: Published
    Description: 1003867
    Description: 4TM. Web e Social
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 4
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    Instructions for installing pressure-temperature recorder (2022)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-12-12
    Description: Instructions for installing pressure-temperature recorder including location of parts on the submarine and the general description of the apparatus. The instrument is composed of two main elements: a) the pressure-sensitive element; and b) the temperature-sensitive element.
    Keywords: Oceanographic instruments
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 5
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    A slide rule for computing supersonic ray diagrams from bathythermograph data (2022)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-12-12
    Description: This report, and the accompanying slide rule were prepared by the Woods Hole Oceanographic Institution for the National Defense Research Committee.
    Description: National Defense Research Committee
    Keywords: Bathythermograph
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 6
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    Two types of lenses for deep underwater photography (2022)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-12-12
    Description: In underwater photography, the object is immersed in water while the image is usually formed in air. The most obvious, straightforward way to form an image under these circumstances with a conventional type of lens is to use a plane parallel slab of glass as a window in front of the lens to separate the water from the air space. For most types of camera lenses, this is a perfectly adequate solution; But if one looks at the problem carefully, it is evident that such a system introduces a chromatic aberration referred to as lateral color. The source of this aberration is illustrated in Fig. 1. The dispersion at the glass to air interface overcompensates for the dispersion at the water to glass interface. As a result, the direction of a ray entering the camera lens for any given ray incident on the window varies with the wavelength of light.
    Keywords: Photographic lenses ; Underwater photography
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 7
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    Examples and outline of certain modifications in isentropic analysis (2022)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-12-12
    Description: Isentropic analysis in this country originated with a particular purpose in view, namely as a means of using moisture distribution to determine flow patterns in the atmosphere It revealed, very successfully, certain theoretically anticipated patterns. Subsequently it has come into general use in connection with upper-air analysis but for the most part its application is dominated by the original particular purpose. A rather different approach is to use isentropic analysis in a more purely descriptive fashion as the principal tool for upper-air analysis. This demands that an isentropic chart represent synoptically as much useful information as possible and that all phases of its preparation receive due care.
    Keywords: Upper air temperature ; Meteorology
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 8
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    Summary of bathythermograph observations from the western North Atlantic : October 1940 - December 1941 (2022)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-12-12
    Description: 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.
    Keywords: Bathythermograph
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 9
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    Preliminary report on the prediction of "Afternoon Effect" (2022)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-12-12
    Description: With moderate or light winds and a clear sky the diurnal heating which occurs near the sea surface can cause a serious reduction in the range of submarine detection, especially on shallow targets. This has usually been called the “afternoon effect", although as will be noticed below the ranges often remain short long after sun down. The heating of surface waters which causes such sharp downward refraction can of course be noted on a bathythermograph record, provided pen vibration does not confuse the upper part of the trace. Unfortunately it is the upper 20 or 30 feet of a bathythermograph curve which in the case of ships moving faster than 12 knots is often somewhat difficult to read with sufficient certainty. Moreover, in planning a days operations it is clearly desirable to know in advance how much reduction in range may be expected from diurnal warming.
    Description: Contract OEMsr-31
    Keywords: Submarines (Ships) ; Sonar ; Ocean temperature
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 10
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    Performance of bathythermograph with hand winch (2022)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-12-12
    Description: On May l, 1942 a series of towing tests were made off New London to determine how satisfactory a small hand operated winch would be. The boat was an 83 ft. Coast Guard patrol boat with the end of the boom about 3 feet outboard and 15 feet forward of the stern. Towing tests were made at 8, 12, and 18 knots. At 18 knots two methods were tried: A. Those where the BT was dropped from the end of the boom in the usual manner. B. Those where the BT was dropped from the bow of the boat. This method gave a considerably greater depth of water for the same amount of wire out than the former method. In a longer boat where the BT can be carried 100 to 150 ft. ahead of the boom this additional depth may amount to 100 feet.
    Keywords: Bathythermograph
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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