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Are glaciers melting?  Yes! But:

 

Look closer - the graphs show the melting rates of two typical glaciers.

 

They have been slowly melting since, at least, the little ice age. In the 1930s the melting rate increased dramatically. Most of the melting occurred in that period.  Slow melting resumed after the 1930s.

 

Claims of rapid glacier melting are 80- years out of date.

 

 

Most Glacier Melting was in the 1930s

Greenland ice sheet the summer average temperature has decreased at the rate of 2.2 ◦C per decade

Since 1940, however, the Greenland coastal stations data have undergone predominantly a cooling trend. At the summit of the Greenland ice sheet the summer average temperature has decreased at the rate of 2.2 ◦C per decade since the beginning of the measurements in 1987. This suggests that the Greenland ice sheet and coastal regions are not following the current global warming trend. A considerable and rapid warming over all of coastal Greenland occurred in the 1920s when the average annual surface air temperature rose between 2 and 4 ◦C in less than ten years (at some stations the increase in winter temperature was as high as 6 ◦C). This rapid warming, at a time when the change in anthropogenic production of greenhouse gases was well below the current level, suggests a high natural variability in the regional climate.

 

(Climatic Change, Volume 63, Numbers 1-2, pp. 201-221(21), March 2004) - Petr Chylek, Jason E. Box, Glen Lesins

Vanishing Ice Most Likely All Natural

From: http://wattsupwiththat.com/2014/12/16/vanishing-ice-most-likely-all-natural/

video by Jim Steele, Director emeritus Sierra Nevada Field Campus, San Francisco State University

The video outlines why the timing and mechanisms of glacier retreats is evidence of natural climate change.

Contents

   The drying out of Kilimanjaro

   Retreat of glaciers in Glacier National Park begins 2:45

   Overview of Holocene warming and cooling and ice melt begins at 4:22

   The advances and retreat of the Aletsch Glacier and solar activity begins at 9:14

   Ocean Oscillations and the retreat of Greenland Glaciers begins at 11:39

   The unique locations and causes of retreating Antarctic glaciers begins at 17:39

A transcript with links to selected references is available here

A transcript with a list 61 citations is available here

 

 

 

Mt. Baker glaciers disappearing? A response to the Seattle Times

Guest Blogger / 2 hours ago September 13, 2015

 

by Don J. Easterbrook

 

The headline of the September 8, 2015 Seattle Times states:

 

‘Disastrous’: Low snow, heat eat away at Northwest glaciers

 

“Glaciers across the North Cascades could lose 5 to 10 percent of their volume this year, accelerating decades of steady decline. One scientist estimates the region’s glaciers are smaller than they have been in at least 4,000 years.” “The best word for it is disastrous,” said Pelto”

 

http://www.seattletimes.com/seattle-news/science/disastrous-low-snow-heat-eat-away-at-northwest-glaciers/

 

This was a multi-page story with numerous photographs and many predictions that glaciers in the North Cascade Mts. will be gone in 50 years. Having just finished a major analysis of Mt. Baker’s glaciers dating back thousands of years, I thought, what kind of nonsense is this? So I put together some of the data on Mt. Baker glaciers that will soon be published.

 

Photos and maps from a large collection dating back to 1909 document exactly what Mt. Baker glaciers have done in the past. What these photos and maps clearly show is the Mt. Baker glaciers reached their maximum extent of the past century in 1915 at the end of the 1880 to 1915 cold period. The glaciers then melted back strongly during the 1915 to 1950 warm period. The climate then turned cool again, and Mt. Baker glaciers advanced strongly for 30 years. In 1977, the climate turned warm again and since about 1980, glaciers have been retreating again. However, photos and maps prove that all Mt. Baker glaciers are more extensive today than they were in 1950. Here are a few examples.

Read the rest at:   http://wattsupwiththat.com/2015/09/13/mt-baker-glaciers-disappearing-a-response-to-the-seattle-times   local

Glacier started retreat in 1815, fastest in 1914-1917

before most of man’s CO2

(IPCC says earliest time that man’s CO2 could have affected temperature is 1950)

 

From US National Park Service Publication:

The Reconstructed Exit Glacier History

With the moraines mapped and the ecesis intervals determined, Cusick could now visit each moraine, sample the oldest trees and determine the age of each moraine. Using the moraine dates, Cusick could reconstruct the history of Exit Glacier and its dramatic retreat up the valley.

 

The Little Ice Age (LIA) was a time of global cooling from approximately 1350 to 1870 AD. During this time glaciers expanded in the northern regions, moving down the mountains and scouring the vegetation that had been in the valleys below. Park Service personnel recently discovered evidence of a buried forest dating back to at least 1170 AD high in the Forelands near the current glacier’s edge. Exit Glacier advanced from the Harding Icefield during the Little Ice Age, burying this existing forest and advancing to a maximum marked by the terminal moraine dated to 1815.

 

With the warming trend of the 1800s, Exit Glacier began to retreat from its 1815 maximum. Very slowly, the glacier retreated 230 feet (70 m) from 1815 to 1889, averaging about 3.1 ft/year (1 m/yr) (see Table 1). The glacier then retreated much more rapidly between 1889-1899, interspersed with periods of stagnation, which are marked by linear moraines (1889, 1891, 1894 and 1899). During this time, the glacier retreated 1680 ft (512 m), about 168 ft/yr (51 m/yr).

 

The next fifteen years was a period of a slow but s teady retreat, as t he g lacier retreated only 42 ft/yr (13 m/yr). In the years between 1914 and 1917, Exit Glacier experienced its most rapid retreat. In just 3 years, the glacier retreated 908 ft (277 m) or almost a foot per day. From 1917 to 1973, Exit Glacier continued to retreat with periods of slow to moderate retreat. There were five periods of retreat, with the ice melting fastest between 1961 and 1968 (115 ft/yr or 35 m/yr).

 

During the retreat of Exit Glacier from its Little Ice Age maximum in 1815 until recent times, the glacier has left a series of more than 11 moraines and retreated more than 1.25 miles (2 km). The glacier had an average retreat of roughly 6/10 of a mile each century or one kilometer each century.

From:   http://www.nps.gov/kefj/learn/nature/upload/The%20Retreat%20of%20Exit%20Glacier.pdf      (Local)

75% Of Total Modern Glacier Melt Occurred Before 1950

(IPCC says that man’s CO2 had little effect before 1950)

 

“The abrupt climatic transition of the early 20th century and the 25-year warm period 1925–1950 triggered the main retreat and volume loss of these glaciers since the end of the ‘Little Ice Age’. Meanwhile, cooling during the 1960s, 1970s and 1980s altered the trend, with advances of the glacier snouts. Stötter et al. (1999) indicate that the coldest period after the LIA was from the early 1960s to the mid-1970s, when temperatures fell to levels equivalent to the warmest recorded in the 19th century. This cooling is the reason given by Caseldine (1983, 1985a, 1985b, 1988) to explain the advance of the Gljúfurárjökull between the mid-1970s and the mid-1980s  … Studies of aerial photographs and satellite images show that the glacier snouts have retreated by more than 1300 m on average since the LIA maximum (considered to be AD 1898 in Gljúfurárjökull and AD 1868 in both Western and Eastern Tungnahryggsjökull), with an altitudinal rise of more than 100 m. The retreat accelerated rapidly (15.3 m yr−1) during the first half of the 20th century.  In the second half of the 20th century, the retreat decelerated considerably, reflected in the lowest values around 1985 (5.2 m yr−1) and a trend shift in 1994, with an advance observed in Gljúfurárjökull. … The retreat rate intensified in the period 2000–2005 compared with 1994–2000, but did not reach the rates recorded before 1946.” - See more at: http://notrickszone.com/2017/02/09/new-paper-glacier-melt-rates-were-up-to-3-times-greater-faster-during-early-20th-century/#sthash.GGGqBVLx.dpuf

Paper Link: https://www.researchgate.net/profile/Skafti_Brynjolfsson/publication/312185500_High_sensitivity_of_North_Iceland_Trollaskagi_debri s-free_glaciers_to_climatic_change_from_the_%27Little_Ice_Age%27_to_the_present/links/5876009208ae8fce492c88a4/High-sensitivity-of-North-Iceland-Troellaskagi-debris-free-glaciers-to-climatic-change-from-the-Little-Ice-Age-to-the-present.pdf

Mt. Hood Glaciers Retreating BEFORE 1926

In 1926 Fred Stadter discovered a prehistoric forest buried under a Mt. Hood glacier that was being revealed due to the glacier’s retreat in recent years. This discovery was profiled by E. T. Hodge in Vol. 13, No. 12: pp. 82-86 of Mazama Magazine, where “Stadter’s Forest” was given its name.

 

In the September, 1946 Ore.-Bin, in an article titled "Mt. Hood's Vanishing Glaciers" (Vol. 8, No. 9: 61-65), Ralph Mason wrote:

"Today, the receding tongues of Reid Glacier have uncovered evidence that at one time in the not too distant past the glaciers suffered a shrinking back as profound as that now going on. Several years ago a buried forest was discovered on the ridge dividing Reid and Zigzag glaciers at an elevation of 6200 feet. The trees, now pressed flat and buried by glacial debris, measure from 1 to 3 feet in diameter. The nearest living trees of comparable size now grow far down in the valleys. Evidently the glaciers on Mt. Hood at one time receded until their snouts were far up on the mountain or had even vanished entirely for a time."

 

In 1991 Cameron and Pringle published an article in Oregon Geology (Vol. 53, No. 2: 34-43), "Prehistoric Buried Forests of Mount Hood,” that notes the Stadter Forest trees had actually grown at 5,850 feet elevation and had been buried sometime around 1,700 years before 1991.

 

The "tree ring data" regarding glacier dynamics seems pretty clear. Glaciers have been receding and growing for millennia: currently (on Mt. Hood at least) growing smaller for over 100 years -- apparently well in advance of Global Warming modeler awareness or post-WW II atmospheric CO2 increases.

To say these effects have anything to do with Anthropogenic Global Warming seems impossible, given the evidence. To say they are related to climate change is obvious. The climate has always been changing and likely always will. Fortunately, we are a resilient species and will probably continue adapting. Just like always.

 

Note: Early 20th Century warming wasn’t restricted to limited to Cascades glaciers — the effects were shared over much of the northernn hemisphere. Consider this statement from the AP published in the Washington Post on November 2, 1922, for example:

"The Arctic ocean is warming up, icebergs are growing scarcer and in some places the seals are finding the water too hot, according to a report to the Commerce Department yesterday from Consul Ifft, at Bergen, Norway. Reports from fishermen, seal hunters and explorers, he declared, all point to a radical change in climate conditions and hitherto unheard-of temperatures in the Arctic zone. Exploration expeditions report that scarcely any ice has been met with as far north as 81 degrees 29 minutes. Soundings to a depth of 3,100 meters showed the gulf stream still very warm. Great masses of ice have been replaced by moraines of earth and stones, the report continued, while at many points well known glaciers have entirely disappeared. Very few seals and no white fish are found in the eastern Arctic, while vast shoals of herring and smelts, which have never before ventured so far north, are being encountered in the old seal fishing grounds."