Tag Archives: dust

MARCI weather report, April 16-22, 2018

A regional dust storm kicked up in the southern mid-to-low latitudes of Promethei-Cimmeria this past week. Dust lofted by the storm was transported eastward as far as western Noachis. Additional local storm activity was observed in Hellas Basin, as well … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , , | Comments Off

MARCI weather report, April 9-15, 2018

Dust storm activity continued along the seasonal south polar ice cap edge of Mars this past week. Equatorward of the southern seasonal cap edge, local-scale dust storms were observed over Noachis and Cimmeria. At the beginning of the week, a … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , , | Comments Off

MARCI weather report, April 2-8, 2018

Martian weather remained quite active last week. Several small polar storms developed into a regional dust storm over the northern plains. Local-scale storms were observed along the seasonal south polar cap edge from Sirenum to Cimmeria. Looking to the mid-to-low … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , , | Comments Off

THEMIS: Wind, dust, and gravity in Medusae Fossae

THEMIS Image of the Day, April 10, 2018. This VIS image is located in Medusae Fossae. Along the cliffside several dark streaks are visible. It is thought that these streaks mark the location where downslope movement of material has removed … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , | Comments Off

MARCI weather report, March 26-April 1, 2018

Dusty conditions across much of the martian southern highlands last week. Several short-lived local-scale dust storms were observed along the seasonal south polar ice cap edge, while another storm north of Argyre pushed northeast into Valles Marineris. Dust lofted by … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , , | Comments Off

MARCI weather report, March 19-25, 2018

Numerous dust storms occurred over the southern highlands of Mars last week. Similar to activity mentioned in the previous report, dust lifting over Solis and north of Argyre pushed equatorward towards Valles Marineris. Focusing further south, repeated local-scale dust storms … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , , | Comments Off

THEMIS: Arabia Terra dune field in false color

THEMIS Image of the Day, March 23, 2018. This is a false color image of the dune field in the Arabia Terra crater. In this combination of bands, sand appears as a blue to dark blue color. In this image, … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , , | Comments Off

THEMIS: Crater feeding sand into big dune field

THEMIS Image of the Day, March 22, 2018. The small crater in the image of the image is at the upwind side of the dune field. There is a considerable amount of sand within the crater, with a relatively smooth … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , | Comments Off

MARCI weather report, March 12-18, 2018

Continued local-scale dust storm activity across many parts of Mars this past week. Noachis Terra and eastern Aonia saw multiple here today gone tomorrow type of dust storms. North of Aonia, dust-lifting activity spotted over Solis lofted dust northward into … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , , | Comments Off

THEMIS: Finger-like dunes creep across Arabia Terra crater floor

THEMIS Image of the Day, March 21, 2018. This image is located southeast of the region of the large sand dune deposit. Here there is still limited amounts of available sand and the dunes formed are smaller individual features. The … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , | Comments Off