Italian Antarctic Data Center
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The Observatory main purpose is to contribute to the monitoring of global climate change monitoring standard meteorological parameters. The automatic weather station AWS Paola is located at Talos Dome (72° 49′ 45″ S - 159° 11′ 36″ E) at 2370 m a.s.l., and has been installed on the 26 january 2003. It acquired, every hour, all year round, the meteorological vaiables of wind velocity, wind direction, temperature, pressure and relative humidity, plus snow height acquired as daily averages.
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The Observatory main purpose is to contribute to the monitoring of global climate change monitoring standard meteorological parameters. The automatic weather station AWS Lola is located at th Sarao Point (74° 8′ 6″ S - 163° 25′ 50″ E) at 1920 m a.s.l., and has been installed on the 9 January 1991. It acquired, all year round, the meteorological variables of wind velocity, wind direction, temperature, pressure and relative humidity.
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Data of the precipitation fallen during the summer months (November-December-January) on four expeditions, 2015-16, 2016-17, 2017-18, and 2018-19, in the Terra Nova Bay area, were obtained using a vertically pointing radar, disdrometer and snow gauge. The vertical pointing METEK Micro Rain Radar 2 (MRR) was installed in MZS at the end of November 2015. It records Doppler velocity spectra every 10 s at 32 range gates. The radar gate spacing was set to 100 m allowing the profiler to sound heights ranging from 100 to 3100 m above the surface. The raw K-band power spectra, collected by the MRR, were processed applying the method proposed by Maahn and Kollias (2012) to correct for noise and aliasing effects, making them suitable for snow observation. A Thies CLIMA laser disdrometer (LPM), has been operational since December 2014.The disdrometer can simultaneously count and measure the size and fall velocity of hydrometeors. A Total Rain weighing Sensor (TRwS) manufactured by MPS system was installed during the december 2018 - January 2019 campaign within the YOPP observing period. The TRwS is a total rain/snowfall weighing gauge with an orifice area of 400 cm2, a depth accuracy of 0.01 mm of w.e. and a one -minute sampling time resolution (Savina and others, 2012). The TRwS was protected by an alter shield in order to minimize wind effect over the accumulation inside the instrumentation.
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Isopoda Latreille, 1816 is an order that consists of a vast number of taxa, living and thriving in land, sea, fresh- and groundwater. Isopods in the Southern Ocean are highly speciose and well-represented from the shelf to deep-sea zones. Biogeographical data regarding Ross Sea isopods are presented here, examining the National Antarctic Museum (MNA) Genoa section samples belonging to 15 Antarctic Expeditions. A total of 279 MNA samples were identified, resulting in 53 accepted species distributed in 24 families and 48 genera. From this identification, 15 species are considered new records for the Ross Sea area. GBIF and OBIS (Ocean Biodiversity Information System) (https://obis.org) databases, and bibliographic research were used as validation to the eventually new records for the Ross Sea area. This dataset describes the abundance and distribution of Isopoda of the 15 antarctic campaigns: PNRA Expedition Xth (1994/95), XIth (1995/96), XIIIth (1997/98), XIVth (1998/99), XVIIth (2001/02), XIXth (2003/04), XXVth (2009/10), XXVIIth (2011/12), XXVIIIth (2012/13), XXIXth (2013/14), XXXIIth (2016/17), XXXIVth (2018/19), and NSF (National Science Foundation) "Icefish04", and BAS (British Antarctic Survey) Expedition JR15005 "SO-AntEco" and JR18003 "ICEBERGS2". at Southern Ocean between 23 January 1995 and 05 December 2018.
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This new dataset presents occurrence data for Porifera collected in the Ross Sea, mainly in the Terra Nova Bay area, and curated at the Italian National Antarctic Museum (MNA, section of Genoa). Specimens were collected in 331 different sampling stations at depths ranging from 17 to 1100 meters in the framework of 17 different Italian Antarctic expeditions funded by the Italian National Antarctic Research Program (PNRA). This dataset focuses on all classes (Calcarea, Demospongiae, Hexactinellida and Homoscleromorpha) of the Phylum Porifera (Kingdom Animalia), and includes a total of 807 specimens belonging to 144 morphospecies (with 95 taxa classified at species level and 49 at genus level), are included in the dataset and representing 12 orders and 30 families.
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During the XVIII Italian Antarctic expedition (2002/03), 63 rocks have been sampled within the aim of the project "Geological mapping of Victoria Land" in northern and southern Victoria Land. They include intrusive, subvolcanic, volcanic, metamorphic and sedimentary rocks and sands. The investigated regions are within Convoy Range ST 57-60/1, Freyberg Mountains SS 58-60/1, Mount Joyce SS 55-57/16, Mount Melbourne SS 58-60/9, Reeves Névé SS 55-57/12 and Sequence Hills SS 55-57/8 USGS sheets.
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The radiosonde MSZ (Mario Zucchelli Station) monitors different atmospheric parameters along the vertical profile. The RDS is located at Mario Zucchelli Station. The climate parameters monitored are: Height (gps position), Pressure, Temperature, Humidity, Velocity of wind, Direction of the wind. The MSZ is active since 15/01/1987. Data are acquired only during the opening season of the Zucchelli station. Daily radiosonde launches (00:00 and 12:00 UTC). During the period from 16 November to the end of the campaign, the radio-sonde of 06 UTC was included as part of the intensive measures campaign of the YOPP project. The RDS (VAISALA RS92) is launched into the atmosphere coupled to a balloon inflated with helium. The sonde rises with a speed of about 2-5 m / s up to a height of between 20 and 25 km. During the ascent all the parameters are acquired. The data obtained are coded both in a digital format (BUFR) and in text format and entered into the global network (GTS) of the World Meteorological Organization (WMO).
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During the XII Italian Antarctic expedition (1996/97), 721 rocks have been sampled within the aim of the project "Crustal accretion in northern Victoria Land: structure, metamorphism, kinematics and chronology of the junction between Wilson, Bowers and Robertson Bay terranes" in northern Victoria Land. They include intrusive, subvolcanic, volcanic, metamorphic and sedimentary rocks. The investigated regions are within Coulman Island SS 58-60/6, Ebbe Glacier SR 57-58/16, Freyberg Mountains SS 58-60/1, Mount Murchison SS 58-60/5, Mount Soza SR 57-58/15, Ob' Bay SR 57-58/11 and Yule Bay SR 57-58/12 USGS sheets.
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Antarctic and SubAntarctic Ophiuroidea - MNA (Section of Genoa)
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During the XXVI and XXVII Italian Antarctic expeditions (2010/11, 2011/12), 668 rocks have been sampled within the aim of the project "Geological continental markers of Cenozoic climate changes in Victoria Land, Antarctica" in northern Victoria Land. They include intrusive, subvolcanic, volcanic, metamorphic and sedimentary rocks. The investigated regions are within Cape Hallett SS 58-60/2, Coulman Island SS 58-60/6, Mount Joyce SS 55-57/16, Mount Melbourne SS 58-60/9, Mount Murchison SS 58-60/5 and Relief Inlet SS 58-60/13 USGS sheets.