Wednesday, May 28, 2014

Antarctica: beyond predictive value

The primary public concern regarding ice sheet retreat is sea level rise. Predictions of sea level rise would be incredibly useful to communities on the coast so that they can accommodate flooding and higher storm surges without catastrophic loss of life and property.  On May 12, 2014, scientists reaffirmed that ice loss can be expected from a particularly vulnerable region of West Antarctica, the Amundsen Sea sector.  The timescale of the loss of the entirety of these ice streams was predicted to be 200 to 1100 years.  This range does not allow us to offer very precise predictions, for the total sea level rise over this interval amounts to 1.2 m.  But this is only a small portion of the global ice volume.  The entire West Antarctic Ice Sheet is sensitive to climate change.  Now we're talking about 4.6 m of sea level rise.  
And we haven't even touched Greenland, home to 7.2 m sea level rise, which has experienced increased melt particularly in the last decade.  

We aren't in a position to say whether sea level rise is going to be catastrophic.  The authors of the recent study emphasize that collapse of a few  ice streams is inevitable, but the timescales could be sufficiently long for humans to adapt. This uncertainty has prompted two diametrically opposed responses.  Time magazine communicates assurance that the timescales of ice loss “give us plenty of time to figure out a way to rapidly reduce carbon emissions and slow the pace of climate change, which in turn can give us more time to deal with sea level rise."  David Grinspoon, Library of Congress, who was invited to reflect on the findings,  is unsettled "I don’t have confidence in our ability to very precisely predict the responses of the Earth system, and that makes me more concerned about results like this, not less." 

One of the main justifications for Antarctic research is that it will  reduce uncertainty in predictions of response to climate change.  However, the science is not there yet.  It isn't yet standard  to include ice sheets as a component of predictive climate models (Vizcaino, 2014).  In light of this, we might instead consider other ways in which Antarctica can serve as a resource.  The Antarctic continent was set aside by the International Antarctic Treaty as a public good.  The spirit of the treaty is one of a land for everyone, but it may resemble more closely a land for no one, "no man's land."  More accurately, it is an immediate area of concern only for the very small number of people who live and work there (1000-5000 people).  Besides that number, only the elite will have a firsthand experience of Antarctica, as tourism there is very expensive.  It should not even be taken as given that Antarctica will be on the radar when sea level rise occurs.  After a long history of not appearing on maps of the globe, it is still the case that Antarctica holds a marginal place on our mental geography.  
  
Does it look to you like something's missing?
In what way, then, can Antarctica really be a thing of value for all?  I'd like to suggest tapping into our emotions.  A good candidate for an environment as vast and foreign as Antarctica is awe.  Awe is prompted by a stimulus that challenges one's accustomed frame of reference in some dimension (Keltner and Haidt, 2003).  There are several ways in which an encountering Antarctica can challenge our frame of reference: through vastness in space, persistence in time, and complexity of its features.  How do we elicit experiences of awe?  Both science and art have the tools to powerfully make the distant more immediate.  By visualizations and analogy with more familiar landscapes but drawing on differences in scale, scientists make the hidden canyons and volcanos more accessible.  The discovery of psycrophiles,  microorganisms that love the cold, leads us to reconsider the meaning of "hostile" environments.  Scientists are in the process of generating a narrative that makes vivid the rich geologic history and associated climate conditions that allow the ice sheet to exist today. Artists can mediate these awe-inspiring encounters by conveying the aesthetics of Antarctic forms.
David Ruth, NSF-sponsored artist who spent a season in Antarctica, and his work in glass
Scientific figure of ice crystal size and orientation with depth

Some scientific knowledge can be assimilated into our existing schema, but scientific knowledge or aesthetic encounters of the awe-inspiring sort require a different kind of cognitive processing.  The accommodation of these experiences requires creating new schema or updating existing schema (Fieldler, 2001; Keltner and Haidt, 2003).  Kim Stanley Robinson, science-fiction author who was hosted by the NSF Polar Program, expresses confidence that the public is able to think on century-scale timelines.  I agree but I think this ability is not cognitively innate but must be acquired through experience.  This cognitive hypothesis renders science as a public good not because knowledge is inherently valuable or has utility, but as an enabling condition on schema transformation.

In the contemporary moment, such experiences of awe are not only good because they are pleasurable.  Since awe brings about a change in schema to accommodate the larger spatial scales and timescales that are operative in Antarctica*, it can make us better equipped to assimilate information about environmental change.   Schemas with that ability are needed for decision-making in a world that is sensitive to actions on a variety of scales and is contingent on conditions of the deep past.   According to Curt Stager, in response to the recent findings, "We’ve become a major force of nature in this new Anthropocene epoch; politics and psychology have now become branches of ecology, and how we think, feel, and act has consequences of geological scope that will echo deep into the future."

*Antarctica is not the only place we could purpose to fuel awe, but its unfamiliarity does not allow us to repurpose our usual modes of dividing space and of tuning to recent change, particularly the human imprint on the landscape.  

A problem of representation

Neither art nor science is a universal language.   The communication of awe-inspiring features of Antarctica will happen using the cultural metaphors of the artists and scientists themselves.  The use of "collapse" in reference to the irreversible retreat of the West Antarctic ice streams prompted a critical look at whether its meaning was relevantly similar in the scientific community and the readership of the media reports (Andrew C. Revkin, BethanDavies).  A similar analysis could be had of the metaphor of the "weak underbelly" of the West Antarctic Ice Sheet, originally used by Terry Hughes in his 1981 scientific publication and repeated in the recent news coverage.  Since frames of reference differ across cultures, the features of Antarctica that will challenge them will likely also differ.  This locates the problem not merely in the limited distribution of scientific discoveries in Antarctica but the make-up of the community that has access to Antarctica.   Representation in the sciences and arts in Antarctica becomes a crucial issue because it determines which populations have access to these powerful encounters with the continent. 

Willers and Van Staden (1998, as cited in Carlson & Van Staden, 2006: 8)  suggest that environmental concern develops from interactions between individual subjective experience, personal  factors,  structures  at  the  socio-level,  and  temporal  and  spatial  structures.  We can't assume that national involvement in Antarctica garners access for a diverse body of citizens.  In the South African case, despite investment in Antarctic research through public funds, the continent remains "peripheral to the public imagination."  In New Zealand, which has a high level of involvement in Antarctica relative to their population size, two-thirds of the population say that Antarctica is important to them.  The most common reason for those who say it isn't important to them is that isn't relevant to their daily life (37%).  In a survey at a West coast U.S. university (Shiota et al., 2007), respondents reported that they felt unaware of day-to-day concerns while describing awe-inspiring experiences of natural beauty.  This suggests that communicating to inspire awe may be a way of cutting through the barrier of every day concerns.  Though any conflict must still be settled at the decision-making stage, the new schema will allow us to assess the broader set of information which can be assimilated using this schema.

Representation in Antarctica is limited to the signatories of the Antarctic Treaty.  In order to increase access to Antarctica as a cognitive resource, we ought to invite representatives from other populations to experience Antarctica.  As it stands, participation is limited to those nations who have the resources to contribute to research or who have a territorial interest there and those wealthy individuals who can see the sights.  Until we diversify our access points to the continent, it cannot attain the status of public good as the signatories intended.
Parties to the Antarctic Treaty.  Brown has made a territorial claim and green reserves the right to do so.
On Awe

Fiedler, K. 2001. “Affective states trigger processes of assimilation and accommodation”. InTheories of mood and cognition: A user's guidebook, Edited by: Martin, L. L. and Clore, G. L. Mahwah, NJ: Lawrence Erlbaum Associates, Inc.
Shiota, Michelle; Keltner, Dacher; Mossman, Amanda (2007). "The nature of awe: Elicitors, appraisals, and effects on self-concept". Cognition and Emotion 21 (5): 944–963.doi:10.1080/02699930600923668 
Keltner, D.; Haidt, J. (2003). Approaching awe, a moral, spiritual, and aesthetic emotion. Cognition and Emotion (PDF) (17). pp. 297–314.