Tag: T.O. Maps

Maps, Highways, and Their Imprint on The World

Maps, Highways, and Their Imprint on The World

Path through the rain forest on the Camino Inca, Peru (2011) Photo (c) Karen Abrahamson

The ancient T.O. maps didn’t represent reality, but they did map the reality of the Christian spirit at the time. Portolan Charts gave a realistic representation of coastlines and the work of the Indian spy/cartographers, placed rivers on the maps well before aerial mapping existed.

One of the last bastions of ‘unmapped’ territory was the Amazon basin of Brazil. In 1799 Alexander von Humboldt, the son of a Prussian baron, spent five years travelling from Venezuela’s Orinoco river through the Amazon, collecting specimens and surveying. Afterwards he produced 33 volumes of maps and illustrations. That was the last mapping for over a hundred and fifty years except for the occasional scientific or rubber company exploration.

Until 1970.

That’s when the Brazilian government got the idea to construct a highway from the Atlantic Coast, across 5,000 kilometers (about 3,400 miles) of rainforest to the Peruvian border. The construction was a nightmare due to a dearth of maps. The rainforest had too many clouds and—gee, rain in a rainforest?—for aerial mapping to work. The result was construction following ground-based surveyors who were barely ahead of the bulldozers and this led to the construction having to cross the same river multiple times leading to enormous unforeseen costs.

Cloud Forest tree along Camino Inca, Peru (2011) Photo (c) Karen Abrahamson

Enter the cartographers. In this case it was cartographers and the invention of side-looking radar (SLAR). SLAR is an improvement on the radar that helped safe Great Britain during the Battle of Britain. It’s the invention that allows radar to be shot out the side of an aircraft to take long horizontal pictures of the landscape. This technology can ‘see’ through clouds and trees to the landforms. With the help of computers, SLAR can provide accurate pictures of the rise and fall of the landscape.

The survey team with their aircraft arrived in Brazil on the summer of 1971. In just under a year SLAR mapped the Amazon in 32-kilometer-wide swaths which lead to the first detailed maps of the Amazon and an understanding that this huge territory wasn’t the previously-thought Amazon “basin”. Instead they found that only about 20% of the area was lowlands, with most of the landscape being hilly and mountainous.

This ‘sped up’ the construction of the highway which was completed in 2011 except for a single bridge in the Peruvian part of the road. But what has this meant for the area? For some, it replaces weeks of travel on dirt roads to a relatively short drive. For others it promises income from a potential huge influx of tourists. But what it also means is environmental degradation.

Brazil has a long history of environmental issues springing directly from road-building into this relatively delicate biosphere. Previous road building shows that almost 90% of deforestation lies within 50 kilometers of a road (about 23miles). Timber and mineral extraction are followed by hydroelectric dam development and the destruction this causes.

What’s disturbing is that the Amazon is truly the lungs of the world and cartography has provided the data needed to seriously damage those lungs. It places a different perspective on maps; one that undermines the beauty of what I’ve always thought and suggests the need for ethical standards that stand up to the push of corporate greed.

Path along the Yukon River. The quiet places like this are the ones lost in rampant development. (2010) Photo (c) Karen Abrahamson

There are means to ameliorate the potential destructiveness of developments like the Transoceanic Highway or the construction of pipelines like the proposed Northern Gateway pipeline through British Columbia, but it requires people like cartographers, citizens, and government officials to demand agreements that protect the environment BEFORE, planning starts. Otherwise ‘progress’ can just as easily lead to widespread destruction like what is happening in the Amazon.

The new maps of the Amazon not only map progress, but also the destruction of a reality. Unlike the T.O. maps of the Christians that cemented the Christian spirit firmly in Jerusalem, these maps not only mark destruction of biodiversity, but they record the destruction of the spirit of the indigenous people.

 

 

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