"It's kind of like dog fighting": my friend didn't have the most eloquent way of explaining this new game called Pokmon that was just released for the Game Boy, but I was intrigued. In 1998 I was eleven years old and had never played an RPG before, I also hadn't really spent much time with any Nintendo game. I remember peering over my friend's shoulder as he explained this world where you can capture and train little monsters. The closest analogy I had at that time was Tomagotchi, but this combined ownership over some strange digital pet with a gigantic world and genuine challenge.
I went with Pokmon Blue because it is the only version where you can catch a Meowth in the wild, and the television show had taught me that Meowth is a must-have. I was immediately hooked. I chose Squirtle and set out on my path to become a Pokmon master or something. I spent an unhealthy amount of time with the game; not only because of the scope of the adventure, but the slow battle speeds can really eat away at the clock. I was always eager to give it another go in the Safari Zone or to cruise the same strip of sea over and over again in hopes of finding something other than an unwanted Tentacool. Facing the Elite Four at the end of the game was brutally difficult, and I'm happy to say that the final showdowns still make me sweat when playing and replaying other Pokmon games in the series.
The game itself was great, but what made Pokmon an infinite time sink were the discussions that surrounded this new universe at school. Pokmon swept through my school like a plague. You would walk down the hallways and have to step over kids battling Pokmon cards before tripping over a Game Boy multi-link cable. It was the first and only real cultural phenomenon that I was a part of. Who needs The Beatles when you have Weedles? I eventually got my hands on a strategy guide for the games and read it again and again as if it were a great work of fiction. I remember riding the long bus ride home and studying the 151 Pokmon like my life depended on it. I memorized all of them because it was fun, I will be able to tell you the difference between a Grimer and a Ditto when I'm 64 years old. Claiming your favorite Pokmon (Tangela and Golduck) and arguing with friends about their quality was an oddly formative experience.
The games had a sense of mystery surrounding them. Part of this could be that they were Japanese and there were always rumors about how far along the television show or new game releases were in Japan, but a lot of confusion and rumors came from the game itself. There was the infamous glitch that could corrupt your save when you took the steps to catch something called Missingno, and then there was the legendary Pokmon Mew that couldn't be caught in the regular game. Those two additions opened the door and set off a firestorm of rumors and exaggerated first-hand accounts across the playground about things that have been accomplished and mysterious new Pokmon that have been caught. I heard that you could evolve Charizard into something called "Charcolt" if you followed five simple steps, a friend of mine claimed to have caught variations of Pikachu that were called "Pikagreen" and "Pikablue." It was hard to draw the line between reality and rumor in a game as ambitious and new as Pokmon.
For the amount of time that I spent both playing the games and daydreaming about what type of gym leader I would be if I lived in the Pokmon world, I'd have to say that Pokmon has consumed more of my brain cells than any other title. I've lost a little enthusiasm along the way, but I know that I'm still going to get a nostalgic thrill when I choose my starter and set off on the adventure in this fall's Pokmon X and Y.
Triassic strata in the Greater Barents Sea Basin are important records of geodynamic activity in the surrounding catchments and sediment transport in the Arctic basins. This study is the first attempt to investigate the evolution of these source areas through time. Our analysis of sediment budgets from subsurface data in the Greater Barents Sea Basin and application of the BQART approach to estimate catchment properties shows that (1) during the Lower Triassic, sediment supply was at its peak in the basin and comparable to that of the biggest modern-day river systems, which are supplied by tectonically active orogens; (2) the Middle Triassic sediment load was significantly lower but still comparable to that of the top 10 largest modern rivers; (3) during the Upper Triassic, sediment load increased again in the Carnian; and (4) there is a large mismatch (70%) between the modeled and estimated sediment load of the Carnian. These results are consistent with the Triassic Greater Barents Sea Basin succession being deposited under the influence of the largest volcanic event ever at the Permian-Triassic boundary (Siberian Traps) and concurrent with the climatic changes of the Carnian Pluvial Event and the final stages of the Northern Ural orogeny. They also provide a better understanding of geodynamic impacts on sedimentary systems and improve our knowledge of continental-scale sediment transport. Finally, the study demonstrates bypass of sediment from the Ural Mountains and West Siberia into the adjacent Arctic Sverdrup, Chukotka, and Alaska Basins in Late Carnian and Late Norian time.
To use the BQART approach (Syvitski and Milliman, 2007; Smme et al., 2009) to assess possible scenarios for how the source areas surrounding the Greater Barents Sea Basin evolved and determine which geographical areas are realistic as sediment sources areas;
From the beginning of the Triassic, the Greater Barents Sea Basin experienced rapid and poorly understood subsidence (e.g., Gac et al., 2012, 2016), which coincided with deposition of up to 4.5 km of mudstone-dominated clinoform packages (Fig. 3). Stratigraphic units are defined by discrete maximum flooding surfaces that can be traced across the entire basin based on seismic data and tied to core and well data dated by biostratigraphy (Gilmullina et al., 2021). These deposits prograded from the SE toward the NW (Fig. 4) (Glrstad-Clark et al., 2010; Klausen et al., 2015, 2018; Gilmullina et al., 2021) across the entire basin and share relatively similar provenance characteristics. They are commonly interpreted to have been sourced from the Urals with minor contributions from different nearby areas (Mrk, 1999; Bue and Andresen, 2014; Fleming et al., 2016; Flowerdew et al., 2019; Khudoley et al., 2019). This interpretation implies that a river system must have run along the western part of the Ural orogen along the western foreland basin and supplied sediments to the Greater Barents Sea Basin, which lay at the end of this foreland basin (Fig. 5). This is similar to the modern Ganges River, which runs along the Himalayan orogen through the southern foreland basin and overspills sediments to the Bay of Bengal, where the foreland basin ends.
The observed masses of sediment clearly underestimate the real mass of sediment supplied during the Triassic because of (1) post-depositional erosion (Mller et al., 2019), (2) bypass of sediments to adjacent basins (Klausen et al., 2015), and (3) deposition of sediment in areas without seismic coverage (Gilmullina et al., 2021). Some mass was also added after deposition because of the (4) incursion of igneous intrusions in the Northern and Eastern Barents Sea (Polteau et al., 2016; Gilmullina et al., 2021). These factors must be corrected for and addressed to provide an accurate picture of sediment supplied to the basin from the eastern sediment source. From here on, the corrected observed sediment load will be called the estimated sediment load.
The Triassic deposits in the Greater Barents Sea have been subject to post-depositional erosion especially toward basin margins (north of Fennoscandia, Novaya Zemlya, NW Svalbard, and the Kara Sea) and on the Sentralbanken High.
Two major tectonic events resulted in regional erosional unconformities during the Triassic-Jurassic and Cenozoic that led to localized erosion of the upper parts of the Triassic deposits and erosion to depths of 0 m to 2.5 km from the South Barents Sea Basin to Loppa High, Svalbard, and the North Kara Platform (Gilmullina et al., 2021; their fig. 14). Novaya Zemlya was a basin in the Early Triassic (Gilmullina et al., 2021; Haile et al., 2021) and probably accumulated Triassic deposits at the same thickness as is found in the adjacent South Barents Sea Basin and Admiralty High. During the Late Triassic, Novaya Zemlya was affected by contraction and uplift, and the exact timing of this will be discussed below. For the restorations of eroded sediment volumes, thickness maps adjacent to Novaya Zemlya were extrapolated into the now-eroded areas (Figs. 3 and 6).
Deposits that were eroded in the Kara Sea and Finnmark Platform were not restored due to the unknown distribution and continuation of the Triassic units into these areas. The eroded volumes along Fennoscandia are assumed to be small because this area was close to the southern source (see Eide et al., 2018a). The missing volumes in the Kara Sea are unconstrained, and no attempt has been made here to correct for the missing masses.
The amount of sediment bypass to adjacent basins is highly uncertain and therefore is treated as an unknown in this contribution, but simple estimates are presented below. These estimates were made by extrapolating thickness maps of the stratigraphic units as far as the well-constrained NW pinch-out into the basins that have since rifted apart and are now offset (Fig. 3).
Bypass of sediment out of the Greater Barents Sea Basin is based on observations of clinoforms prograding out of the basin (Fig. 3I). We do not believe that significant additional loss of sediment from the basin occurs in the form of advecting plumes or longshore drift because (1) little evidence of strong wave energy is observed in the basin (Klausen et al., 2016), which results in minimal sediment transport as longshore drift; (2) the Greater Barents Sea Basin is very large (1200 1800 km) and gives us a great opportunity to preserve plumes and sediment transported by potential longshore drift within the basin; (3) clinoforms are well-imaged and do not show typical contourite geometries; and (4) bottom sets in the basinal areas are very thin, which indicates that minimal clastic sediment was transported great distances.
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