A photograph of a dug-out soil pit on a farm near River Road in Lincoln, showing saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of the remains of a large sand volcano on a farm near River Road in Lincoln.
A photograph of Professor Derrick Moot inspecting a dug-out soil pit on a farm near River Road in Lincoln. There is a thick layer of saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of contractor Tony Fisher of Fisher Agricultural Ltd. inspecting a dug out soil pit on a farm near River Road in Lincoln.
A photograph of contractor Tony Fisher of Fisher Agricultural Ltd. inspecting a dug-out soil pit on a farm near River Road in Lincoln. There is a thick layer of saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of Professor Derrick Moot inspecting a dug-out soil pit on a farm near River Road in Lincoln. There is a thick layer of saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of a dug-out soil pit on a farm near River Road in Lincoln, showing saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of a rotary hoe being used on a liquefaction blister on a farm near River Road in Lincoln.
A photograph of a tractor with a rotary hoe flattening a liquefaction blister on a farm near River Road in Lincoln.
A photograph of Professor Derrick Moot inspecting a dug-out soil pit on a farm near River Road in Lincoln. There is a thick layer of saturated sand between the topsoil and the subsoil where the grass roots end.
A video of a tractor on a farm near River Road in Lincoln. The tractor is making several passes over a liquefaction blister with a rotary hoe. This was one of several soil-remediation techniques tested on farms affected by the 4 September 2010 earthquake.
A video of a tractor on a farm near River Road in Lincoln. The tractor is making a second pass over a liquefaction blister with a power harrow. This was one of several soil-remediation techniques tested on farms affected by the 4 September 2010 earthquake.
A video of a tractor on a farm near River Road in Lincoln. The tractor is pulling a power harrow over a liquefaction blister. This was one of several soil-remediation techniques tested on farms affected by the 4 September 2010 earthquake.
A photograph of a large sand volcano on a farm near River Road in Lincoln being spread out with multiple power-harrow passes.
A photograph of the remains of a large sand volcano on a farm near River Road in Lincoln.
A photograph of soil remediation techniques being carried out on a farm near River Road in Lincoln.
A photograph of the remains of a liquefaction blister on a farm near River Road in Lincoln.
A photograph of a rotary hoe being used to remediate a large sand volcano on a farm near River Road in Lincoln.
A photograph of Peter Almond (wearing high visibility jacket), Derrick Moot and contractor Tony Fisher of Fisher Agricultural Ltd. inspecting a dug-out soil pit on a farm near River Road in Lincoln.
A photograph of a dug-out soil pit on a farm near River Road in Lincoln, showing saturated sand between the topsoil and the subsoil where the grass roots end.
A photograph of the result of a liquefaction blister that has been flattened with a power harrow on a farm near River Road in Lincoln.
A photograph of soil remediation work being carried out on a farm near River Road in Lincoln. The soil liquefied following treatment with a rotary hoe, but after four to five hours the soil regained much of its strength and was no longer jelly-like.
A photograph of a tractor with a rotary hoe flattening a liquefaction blister on a farm near River Road in Lincoln.
A photograph of the result of a liquefaction blister that has been flattened with a rotary hoe on a farm near River Road in Lincoln.
A photograph of a tractor with a rotary hoe flattening a liquefaction blister on a farm near River Road in Lincoln.
A photograph of a tractor with a rotary hoe flattening a liquefaction blister on a farm near River Road in Lincoln.
A photograph of liquefaction emerging from freshly-harrowed soil on a farm near River Road in Lincoln.
A photograph of liquefaction emerging from freshly-harrowed soil on a farm near River Road in Lincoln.
A photograph of liquefaction emerging from freshly-harrowed soil on a farm near River Road in Lincoln.
A photograph of damaged land near River Road in Lincoln.