Response to Comment on 'Melting glaciers: a Probable Source of DDT to the Antarctic Marine Ecosystem'

Heidi Geisz; Rebecca Dickhut; Michele Cochran; William Fraser; Hugh Ducklow

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Response to Comment on 'Melting glaciers: a Probable Source of DDT to the Antarctic Marine Ecosystem'

机译：对“冰川融化：南极海洋生态系统中滴滴涕的可能来源”评论的回应

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Van den Brink et al. (1) raise the following concerns regarding our article (2), and we respond as follows.rnVan den Brink et al. (1) incorrectly state that we used ZDDT "concentrations in the precipitation during the time of widespread DDT usage" rather than the "average concentration of 2DDT in the ice sheet", to estimate ZDDT flux to the coastal ocean due to glacier melting in Western Antarctic Ice Sheet (WAIS). In fact, we made a conservative estimate of the 2DDT flux to the ocean by taking into account all ice loss to the WAIS including glacier basal meltwater, iceberg formation and surface melt in average calculations. Using existing data (3), we developed an ice column inventory for 2DDT and calculated that there is > 8μg ZDDT/m~2 in glacier ice on the Antarctic Peninsula (Supporting Information (SI) Table S1).

机译：Van den Brink等。（1）对我们的文章（2）提出以下关注，我们的回应如下：rnVan den Brink等。（1）错误地指出，我们使用ZDDT“广泛使用DDT时的降水浓度”，而不是“冰盖中2DDT的平均浓度”，来估算由于西方冰川融化导致ZDDT向沿海海洋的通量。南极冰盖（WAIS）。实际上，在平均计算中，我们考虑到WAIS的所有冰损失，包括冰川基础融化水，冰山形成和地表融化，对进入海洋的2DDT通量进行了保守估计。利用现有数据（3），我们开发了2DDT的冰柱清单，并计算出南极半岛冰川冰中的>8μgZDDT / m〜2（支持信息（SI）表S1）。

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《Environmental Science & Technology》 |2009年第10期|3974-3975|共2页
作者
Heidi Geisz; Rebecca Dickhut; Michele Cochran; William Fraser; Hugh Ducklow;
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作者单位

Virginia Institute of Marine Science, Gloucester Point, VA 23062, Polar Oceans Research Group, Sheridan, MT 59749, and Ecosystems Center, Marine Biological Laboratory, Woods Hole, MA 02543;

Virginia Institute of Marine Science, Gloucester Point, VA 23062, Polar Oceans Research Group, Sheridan, MT 59749, and Ecosystems Center, Marine Biological Laboratory, Woods Hole, MA 02543;

Virginia Institute of Marine Science, Gloucester Point, VA 23062, Polar Oceans Research Group, Sheridan, MT 59749, and Ecosystems Center, Marine Biological Laboratory, Woods Hole, MA 02543;

Virginia Institute of Marine Science, Gloucester Point, VA 23062, Polar Oceans Research Group, Sheridan, MT 59749, and Ecosystems Center, Marine Biological Laboratory, Woods Hole, MA 02543;

Virginia Institute of Marine Science, Gloucester Point, VA 23062, Polar Oceans Research Group, Sheridan, MT 59749, and Ecosystems Center, Marine Biological Laboratory, Woods Hole, MA 02543;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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1. Correspondence on Geisz et al. Melting Glaciers: A Probable Source of DDT to the Antarctic Marine Ecosystem [J] . Nico van den Brink, Martin Riddle, Martine van den Heuvel-Greve, Environmental Science & Technology . 2009,第10期

机译：对盖斯等人的通讯。冰川融化：滴滴涕可能是南极海洋生态系统的来源
2. Melting Glaciers: A Probable Source of DDT to the Antarctic Marine Ecosystem [J] . HEIDI N. GEISZ, REBECCA M. DICKHUT, MICHELE A. COCHRAN, Environmental Science & Technology . 2008,第11期

机译：冰川融化：滴滴涕可能是南极海洋生态系统的来源
3. Melting glaciers could be source of DDT in penguins [J] . Pesticide amp, Toxic Chemical News Group Pesticide(s) & Toxic Chemical News . 2008,第28期

机译：冰川融化可能是企鹅体内滴滴涕的来源
4. THE IDENTIFICATION OF MULTIPLE Pb SOURCES IN MARINE SEDIMENTS NEAR THE AUSTRALIAN ANTARCTIC STATION, CASEY, USING Pb ISOTOPE RATIO ANALYSIS. [C] . Ashley T. Townsend, Ian Snape Asia-Pacific Winter Conference on Plasma Spectrochemistry . 2006

机译：鉴定澳大利亚南极站附近的海洋沉积物中的多种PB源，凯西，使用PB同位素比分析。
5. Solar-forced roughening of Antarctic glaciers and the Martian icecaps: How surficial debris and roughness affect glacial melting in Taylor Valley, Antarctica and how this can be applied to the Martian icecaps. [D] . Lewis, Karen Jane. 2001

机译：太阳迫使南极冰川和火星冰盖变粗糙：表面碎片和粗糙度如何影响南极泰勒河谷的冰川融化，以及如何将其应用于火星冰盖。
6. Environmental response of upper trophic-level predators reveals a system change in an Antarctic marine ecosystem. [O] . K. Reid, J. P. Croxall 2001

机译：高层营养级捕食者的环境响应揭示了南极海洋生态系统的系统变化。
7. Melting Glaciers: A Probable Source of DDT to the Antarctic Marine Ecosystem [O] . Heidi N. Geisz, Rebecca M. Dickhut, Michele A. Cochran, 2008

机译：融化冰川：达球电科海洋生态系统的DDT可能性源
8. Endangerment and Cause or Contribute Findings for Greenhouse Gases Under Section 202(a) of the Clean Air Act: EPA's Response to Public Comments. Volume 7. Impacts and Risks to Public Health and Welfare: Water Resources, Coastal Areas, and Ecosystems and Wildlife [R] . 2009

机译：根据“清洁空气法”第202（a）节，温室气体的危害，原因或贡献结果：Epa对公众意见的回应。第7卷。对公共卫生和福利的影响和风险：水资源，沿海地区，生态系统和野生动物

Response to Comment on 'Melting glaciers: a Probable Source of DDT to the Antarctic Marine Ecosystem'

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