Downes Glacier

{{Short description|Broad tidewater glacier on the north side of Heard Island in the southern Indian Ocean}}

{{Use dmy dates|date=April 2024}}

{{Infobox glacier

| name = Downes Glacier

| photo = Heard Island and McDonald Islands on the globe (Antarctica centered).svg

| photo_width =

| photo_alt =

| photo_caption = Location of Heard Island and McDonald Islands on the globe

| type = tidewater

| location = Heard Island
Territory of Heard Island and McDonald Islands
Australia

| coords = {{Coord|53|2|S|73|31|E}}

| area =

| length =

| thickness = approximately 55 meters

| terminus = Mechanics Bay, between Saddle Point and Cape Bidlingmaier

| status = Retreating{{Cite journal

|author1=Ian F. Allison |author2=Peter L. Keage |title=Recent changes in the glaciers of Heard Island

|journal=Polar Record

|volume=23

|pages=255–272

|year=1986

|doi=10.1017/S0032247400007099

|issue=144|s2cid=130086301 }}{{Cite web

|author=Andrew Ruddell

|date=25 May 2010

|url=http://www.aad.gov.au/default.asp?casid=2100

|title=Our subantarctic glaciers: why are they retreating?

|publisher=Glaciology Program, Antarctic CRC and AAD

|accessdate=5 June 2010

|archive-url=https://web.archive.org/web/20091002074124/http://www.aad.gov.au/default.asp?casid=2100

|archive-date=2 October 2009

|url-status=dead

}}{{Cite journal

|author1=Quilty, P.G. |author2=Wheller, G.

|title=Heard Island and the McDonald Islands: A window into the Kerguelen Plateau (Heard Island Papers)

|journal=Pap. Proc. R. Soc. Tasm.

|volume=133

|issue=2

|pages=1–12

|year=2000

}}{{Cite journal

|author=Budd, G.M.

|title=Changes in Heard Island glaciers, king penguins and fur seals since 1947 (Heard Island Papers)

|journal=Pap. Proc. R. Soc. Tasm.

|volume=133

|issue=2

|pages=47–60

|year=2000

}}{{Cite journal

|author1=Douglas E. Thost

|author2=Martin Truffer

|title=Glacier Recession on Heard Island, Southern Indian Ocean

|journal=Arctic, Antarctic, and Alpine Research

|volume=40

|issue=1

|pages=199–214

|date=February 2008

|doi=10.1657/1523-0430(06-084)[THOST]2.0.CO;2

|s2cid=130245283

|url=http://instaar.metapress.com/content/m716t541j2514798/

|archive-url=https://archive.today/20121204192707/http://instaar.metapress.com/content/m716t541j2514798/

|url-status=dead

|archive-date=2012-12-04

|accessdate=7 June 2010

|doi-access=free

}}

| map = Indian Ocean

| label_position = top

| map_caption =

| mark = Blue_pog.svg

| embedded = {{Infobox mapframe |wikidata=yes |zoom=11|coord={{WikidataCoord|display=i}}}}

}}

Downes Glacier ({{Coord|53|2|S|73|31|E|}}) is a broad tidewater glacier on the north side of Heard Island in the southern Indian Ocean. It flows north on both sides of Cape Bidlingmaier to the north coast of Heard Island.{{cite gnis

| type = antarid

| id = 4048

| name = Downes Glacier

| accessdate = 5 June 2010}}{{cite aadcgaz

| type = antarid

| id = 495

| name = Downes Glacier

| accessdate = 5 June 2010}} To the east of Downes Glacier is Ealey Glacier, whose terminus is located close southeast of Cape Bidlingmaier. To the west of Downes Glacier is Challenger Glacier, whose terminus is located at the eastern side of Corinthian Bay, close west to Saddle Point. Saddle Point separates Downes Glacier from Challenger Glacier.