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多数遇难者死于失温。
原文引用 4 处
「While hypothermia was determined to be the main cause of death」
Communications Earth & Environment · 2021-01-28
「All of them died of hypothermia, except Zolotarev, Dubinin and Tribeaux-Brignolle.」
TASS · 2020-07-11
「They determined that six of the hikers died of hypothermia」
RFE/RL · 2020-07-12
「Most of the nine who perished on Kholat Saykhl died of hypothermia」
National Geographic · 2021-01-28
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有数名遇难者胸部或颅骨有严重骨折。
原文引用 2 处
「Several of the deceased had serious injuries, such as fractures to the chest and skull.」
swissinfo · 2021-01-30
「two victims had fractured skulls, two had broken ribs」
TASS · 2020-07-11
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有严重外伤的人数说法不一：论文称四人有严重胸部或颅骨损伤；自由欧洲电台称三人有外伤迹象。
原文引用 2 处
「four hikers had severe thorax or skull injuries」
Communications Earth & Environment · 2021-01-28
「while three had signs of physical trauma including skull fractures and chest injuries」
RFE/RL · 2020-07-12
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有的遇难者被发现时衣着单薄、赤脚。
原文引用 2 处
「some were almost naked and barefoot」
Communications Earth & Environment · 2021-01-28
「some in a baffling state of undress」
National Geographic · 2021-01-28
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有报告称在部分遇难者身上或衣物上检出放射性痕迹。
原文引用 2 处
「traces of radioactivity were found on some of their clothes」
Communications Earth & Environment · 2021-01-28
「reports that note some of the bodies had traces of radioactivity」
National Geographic · 2021-01-28
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1959 年苏联当局调查约三个月后结案，只认定死亡由「一种不可抗拒的自然力量」造成。
原文引用 3 处
「closed it after three months, concluding that a “compelling natural force” had caused the death of the hikers」
EPFL · 2021-01-28
「It was determined only that the deaths had been caused by "a compelling natural force."」
TASS · 2020-07-11
「According to the 1959 Soviet criminal investigation, “a compelling natural force” led to the death of the Dyatlov group.」
Communications Earth & Environment · 2021-01-28
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队伍共十人，以乌拉尔工学院学生为主，由 23 岁的伊戈尔·迪亚特洛夫带队。
原文引用 2 处
「a ten-member group consisting mostly of students from the Ural Polytechnic Institute, led by 23-year-old Igor Dyatlov」
EPFL · 2021-01-28
「ten members of the Soviet Union’s Urals Polytechnic Institute in Yekaterinburg—nine students and one sports instructor who fought in World War II」
National Geographic · 2021-01-28
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队伍计划用 14 天滑雪前往奥托尔腾山（Gora Otorten）。
swissinfo 的这部分内容与 EPFL 的研究介绍文字基本相同
原文引用 2 处
「set off on a 14-day expedition to the Gora Otorten mountain, in the northern part of the Soviet Sverdlovsk Oblast」
EPFL · 2021-01-28
「set off on a 14-day expedition to the Gora Otorten mountain, in the northern part of the Ural Mountains」
swissinfo · 2021-01-30
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据EPFL，在当时的季节，这类路线被列为最高难度的三级路线。
原文引用 1 处
「a route of this kind was classified Category III – the riskiest category」
EPFL · 2021-01-28
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出发日期说法不一：国家地理称队伍于 1959 年 1 月 23 日出发；EPFL 称 1 月 27 日出发。
两篇报道都没有说明这个日期从哪里起算。
原文引用 2 处
「headed into the frigid wilderness on a skiing and mountaineering expedition on January 23, 1959」
National Geographic · 2021-01-28
「On 27 January 1959, a ten-member group consisting mostly of students from the Ural Polytechnic Institute」
EPFL · 2021-01-28
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据EPFL，行程的出发地和预定返回地是维扎伊村（Vizhay）。
原文引用 1 处
「When the group’s expected return date to the departure point, the village of Vizhay, came and went, a rescue team set out to search for them.」
EPFL · 2021-01-28
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队员尤里·尤金因身体原因中途折返，其余九人继续前进。
原文引用 3 处
「On January 28, one member of the expedition, Yuri Yudin, decided to turn back.」
EPFL · 2021-01-28
「One member of the expedition, Yuri Yudin, turned back over health concerns.」
swissinfo · 2021-01-30
「One student with joint pain turned back, but the rest, led by 23-year-old engineering student Igor Dyatlov, continued on.」
National Geographic · 2021-01-28
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继续前进的九人为七男两女。
原文引用 2 处
「The nine—seven men and two women—were never heard from again.」
National Geographic · 2021-01-28
「the two women and seven men」
RFE/RL · 2020-07-12
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事发地点的说法不一：塔斯社称在奥托尔腾山东肩；swissinfo 称帐篷位于霍拉特-夏赫尔山坡上，在目的地以南约 20 公里。
原文引用 2 处
「a group of nine ski hikers disappeared on the eastern shoulder of Otorten Mount」
TASS · 2020-07-11
「They found the group’s tent on February 26, on the slopes of Kholat Syakhl – translated as “Death Mountain” – some 20 km south of the group’s destination.」
swissinfo · 2021-01-30
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队伍未按计划返回，引发了搜救。
原文引用 2 处
「triggering a search when the group failed to make a scheduled arrival」
TASS · 2020-07-11
「When the rest of the group failed to return, a rescue team was sent out.」
swissinfo · 2021-01-30
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据EPFL，包括迪亚特洛夫在内的另外三人，是在雪松与帐篷之间被找到的。
原文引用 1 处
「Three other bodies, including that of Dyatlov, were subsequently found between the tree and the tent site」
EPFL · 2021-01-28
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2 月 1 日，队伍在霍拉特-夏赫尔山（曼西语意为「死亡之山」）的山坡上扎营。
原文引用 3 处
「the team made camp on February 1, pitching a large tent on the snowy slopes of Kholat Saykhl」
National Geographic · 2021-01-28
「The group had decided to set up their camp on the slope of the Kholat Saykhl (Fig. 1a); the name means “Dead Mountain” in the local Mansi language.」
Communications Earth & Environment · 2021-01-28
「On the night of February 1, 1959, hikers led by Igor Dyatlov set up camp on the slope of the Kholat Saykhl, "Dead Mountain."」
The Moscow Times · 2021-01-28
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当晚气温极低（约零下 25 摄氏度或更低），并有强劲的下降风。
原文引用 3 处
「in the presence of strong katabatic winds induced by the passing of an arctic cold front」
Communications Earth & Environment · 2021-01-28
「drove the students outside into temperatures of minus 25 degrees Celsius」
The Moscow Times · 2021-01-28
「The Dyatalov group’s diary entries also note there were very strong winds.」
National Geographic · 2021-01-28
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据National Geographic，2 月 1 日夜里没有降雪。
原文引用 1 处
「There was no snowfall on the night of February 1 that could have increased the weight of the snow burden on the slope and triggered a collapse.」
National Geographic · 2021-01-28
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午夜后发生了意外，队员从内部割开帐篷，在没有合适衣物的情况下向一公里多外的坡下林地逃去。
原文引用 3 处
「Something unexpected happened after midnight that caused expedition members to cut the tent suddenly from the inside and escape towards a forest, more than 1 km downslope」
Communications Earth & Environment · 2021-01-28
「At some point after midnight something unexpected caused expedition members to cut their way out of the tent and escape towards a forest, more than a kilometer downslope, without appropriate clothes.」
The Moscow Times · 2021-01-28
「to cut their way out of their tents and flee the campsite without shoes or warm clothing, despite the freezing cold」
RFE/RL · 2020-07-12
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推测雪崩后队员割开被压住的帐篷，慌乱中向坡下林线寻求临时庇护。
原文引用 1 处
「What happened after the avalanche is speculation, but the current thinking is that the team cut themselves out of the smothered tent, fleeing in a panic toward temporary shelter in the treeline」
National Geographic · 2021-01-28
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2 月 26 日，搜救队在霍拉特-夏赫尔山坡上找到了损坏严重、从内部被割开的帐篷。
原文引用 3 处
「On 26 February, they found the group’s tent, badly damaged, on the slopes of Kholat Syakhl」
EPFL · 2021-01-28
「the expedition tent was found just barely sticking out of the snow, and it appeared cut open from the inside」
National Geographic · 2021-01-28
「They found the group’s tent on February 26」
swissinfo · 2021-01-30
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队员的随身物品都被留下。
原文引用 2 处
「The tent was slashed and their belongings left behind.」
swissinfo · 2021-01-30
「The group’s belongings had been left behind.」
EPFL · 2021-01-28
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搜救队在坡下一棵老雪松附近发现了最早找到的遇难者。
原文引用 2 处
「The next day, the first of the bodies was found near a cedar tree.」
National Geographic · 2021-01-28
「beneath an old Siberian cedar tree, they found two bodies clad only in socks and underwear」
EPFL · 2021-01-28
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最初在坡下共找到五名遇难者，其余四人在约两个月后积雪融化时被找到。
原文引用 3 处
「Further down the mountain, the rescue team found five bodies; the remaining hikers were discovered as the snow thawed.」
swissinfo · 2021-01-30
「Three weeks later, five bodies were found, some hundreds of meters down the slope from the original camp. It took two more months for investigators to find the other four bodies.」
TASS · 2020-07-11
「Two months later, the remaining four bodies were discovered in a ravine beneath a thick layer of snow.」
EPFL · 2021-01-28
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案件资料直到 20 世纪 70 年代一直属于保密状态。
原文引用 2 处
「Information about the case was classified by the Soviet authorities until the 1970s.」
RFE/RL · 2020-07-12
「It remained classified until the 1970s.」
The Moscow Times · 2021-01-28
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据Communications Earth & Environment，俄罗斯联邦调查委员会 2015 年重新调查此案，2019 年认定雪崩是最可能的原因。
原文引用 1 处
「In 2015, the Investigative Committee of the Russian Federation (ICRF) re-opened the investigation and in 2019 concluded that a snow avalanche was the most probable cause of the accident」
Communications Earth & Environment · 2021-01-28
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据EPFL，2019 年的重新调查是应遇难者亲属的要求启动的。
原文引用 1 处
「after the investigation was reopened in 2019 at the request of the victims’ relatives」
EPFL · 2021-01-28
-
2019 年 2 月，俄罗斯总检察院宣布重新调查此案。
原文引用 2 处
「In February 2019, the Prosecutor General’s Office announced an inquiry into the Dyatlov group case」
TASS · 2020-07-11
「Last year, the Prosecutor-General's Office announced it was reopening the investigation」
RFE/RL · 2020-07-12
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俄罗斯官方复查得出雪崩结论的时间说法不一：swissinfo 和国家地理称是 2019 年；塔斯社报道检方于 2020 年 7 月 11 日宣布结论。
《通讯-地球与环境》的论文说，俄联邦调查委员会 2019 年、总检察院 2020 年 7 月先后得出同一结论。
原文引用 3 处
「In 2019, the Russian Public Prosecutor’s Office completed a second investigation into the accident」
swissinfo · 2021-01-30
「concluded in 2019 that an avalanche was primarily responsible for the nine deaths」
National Geographic · 2021-01-28
「YEKATERINBURG, July 11. /TASS/. The Russian Prosecutor General’s Office has come to a conclusion that an avalanche killed the Dyatlov group」
TASS · 2020-07-11
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官方结论没有给出科学解释，仍受到亲属、公众和研究者的质疑。
原文引用 2 处
「Both investigations have not, however, disclosed scientific explanations for the four counterarguments listed above and therefore keep being challenged by the relatives, public, and researchers.」
Communications Earth & Environment · 2021-01-28
「One of the main reasons why the avalanche theory is still not fully accepted is that the authorities have not provided an explanation of how it happened.」
EPFL · 2021-01-28
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2020 年 7 月，俄罗斯总检察院乌拉尔联邦区官员库里亚科夫宣布，检方认定这起事件与雪崩有关。
塔斯社称检方认定雪崩导致死亡；据自由欧洲电台转述俄新社，检方认为队员是为躲避可能的雪崩在恶劣天气中离开帐篷，之后迷失方向冻死。
原文引用 3 处
「The Russian Prosecutor General’s Office has come to a conclusion that an avalanche killed the Dyatlov group in the Ural Mountains in 1959」
TASS · 2020-07-11
「officials concluded that the hikers had left their tents in the night during brutal weather conditions to avoid a possible avalanche, but then became disoriented and froze」
RFE/RL · 2020-07-12
「in July 2020 came to the same conclusion as ICRF」
Communications Earth & Environment · 2021-01-28
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据National Geographic，普兹林认为，迪亚特洛夫一行都很有能力，不可能预见到在看似平缓的坡上清出营地会有危险。
原文引用 1 处
「The Dyatlov team members, Puzrin says, were very competent people who would never have foreseen the danger of clearing a space for their tent on what looked like a gentle slope.」
National Geographic · 2021-01-28
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2021 年 1 月 28 日，洛桑联邦理工学院的高姆（Johan Gaume）和苏黎世联邦理工学院的普兹林（Alexander Puzrin）在《通讯-地球与环境》上发表研究。
原文引用 3 处
「The results of the study have been published in Communications Earth and Environment」
swissinfo · 2021-01-30
「research published Thursday in the journal Communications Earth and Environment」
The Moscow Times · 2021-01-28
「In 2021, a pair of Swiss researchers first presented data pointing to the likelihood that a bizarrely small, delayed avalanche」
National Geographic · 2021-01-28
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研究认为，不规则地形、为搭帐篷切开的雪坡，加上强下降风带来的积雪，在一段时间后共同引发了帐篷上方的板状雪崩。
原文引用 2 处
「Here we show how a combination of irregular topography, a cut made in the slope to install the tent and the subsequent deposition of snow induced by strong katabatic winds contributed after a suitable time to the slab release」
Communications Earth & Environment · 2021-01-28
「a combination of factors — including a cut made into the snow when the trekkers pitched their tent and a build-up of snow by strong, icy winds — triggered a delayed avalanche」
The Moscow Times · 2021-01-28
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对雪崩发生时间的估算说法不一：论文称在切坡后 7.5 至 13.5 小时；莫斯科时报称在扎营后 9.5 至 13.5 小时。
原文引用 2 处
「the conditions for avalanche release can be met after a delay of 7.5 to 13.5 h from the moment the hikers made the cut in the slope」
Communications Earth & Environment · 2021-01-28
「the avalanche could have been triggered between 9.5 and 13.5 hours after the hikers set up camp」
The Moscow Times · 2021-01-28
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模拟显示，即使是较小的雪板也可能造成严重但不立即致命的胸部和颅骨损伤，与尸检结果相符。
原文引用 3 处
「Dynamic avalanche simulations suggest that even a relatively small slab could have led to severe but non-lethal thorax and skull injuries, as reported by the post-mortem examination」
Communications Earth & Environment · 2021-01-28
「These injuries would have been severe, but not fatal—at least not immediately—says Puzrin.」
National Geographic · 2021-01-28
「found they fitted with the autopsy reports」
The Moscow Times · 2021-01-28
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研究者表示并未解开全部谜团，没有人真正知道那晚发生了什么。
原文引用 2 处
「The truth, of course, is that no one really knows what happened that night. But we do provide strong quantitative evidence that the avalanche theory is plausible」
swissinfo · 2021-01-30
「He stressed however that the researchers do not claim to have solved the mystery.」
The Moscow Times · 2021-01-28
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据Communications Earth & Environment，论文说明，研究没有解释衣物上的放射性痕迹、队员离开帐篷后的行为和遗体位置等问题。
原文引用 1 处
「we do not explain nor address other controversial elements surrounding the investigation such as traces of radioactivity found on the victims’ garments, the behavior of the hikers after leaving the tent, locations and states of bodies, etc.」
Communications Earth & Environment · 2021-01-28
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据Communications Earth & Environment，论文作者认为，即使在坡度不到 30 度的缓坡上，结合切坡搭帐篷也可能有危险，挖雪洞可能更安全。
原文引用 1 处
「This implies that building a tent even on a relatively mild slope (less than 30°) can be dangerous and should not be recommended when combined with a cut in the slope. Instead, digging a snow cave may be a safer solution」
Communications Earth & Environment · 2021-01-28
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据National Geographic，2022 年 1 月的一次考察在与事发当晚相近的条件下观察到两处新的板状雪崩。
原文引用 1 处
「two fresh slab avalanches were observed on a January 2022 expedition during conditions similar to those on the fateful night of February 1, 1959」
National Geographic · 2021-01-28
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队员都有长途滑雪和山地远征的经验。
原文引用 2 处
「All members were experienced in long ski tours and mountain expeditions」
TASS · 2020-07-11
「a group of nine experienced Russian mountaineers perished during a difficult expedition in the northern Urals」
Communications Earth & Environment · 2021-01-28
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事发的山口后来以队长迪亚特洛夫的名字命名。
原文引用 2 处
「The mountain pass where the incident occurred has since been named Dyatlov Pass after the group's leader, Igor Dyatlov.」
TASS · 2020-07-11
「at a place that was later named after the group's leader, Igor Dyatlov」
RFE/RL · 2020-07-12
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几十年来出现过雪崩、遭人袭击、队员内讧、军事试验等多种解释。
原文引用 3 处
「Possible explanations included an avalanche, an attack by fugitive criminals or the indigenous Mansi people, a brawl among the tourists」
TASS · 2020-07-11
「Several theories have been proposed to explain this incident, including infrasound-induced panic, animals, attacks by Yetis or local tribesmen, katabatic winds, a snow avalanche, a romantic dispute, nuclear-weapons tests, etc.」
Communications Earth & Environment · 2021-01-28
「spawned countless theories from aliens to a botched nuclear test」
The Moscow Times · 2021-01-28
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雪崩说长期受到质疑：搜救队没有看到明显的雪崩痕迹，帐篷上方平均坡度不到 30 度，伤情也不像典型的雪崩伤。
原文引用 3 处
「no obvious signs of an avalanche or debris were reported by the search team that arrived 26 days later」
Communications Earth & Environment · 2021-01-28
「the rescue team did not find any obvious evidence of an avalanche or debris. Then the average angle of the slope above the tent site – less than 30° – was not steep enough for an avalanche.」
EPFL · 2021-01-28
「The slope above the tent site was not steep enough for an avalanche and the injuries were also not typical for crushing by snow.」
swissinfo · 2021-01-30
归途路全球户外事故地图档案
