Why does the intertropical convergence zone migrate seasonally

Folland, C. Sahel rainfall and worldwide sea temperatures, — Giannini, A. Oceanic forcing of Sahel rainfall on interannual to interdecadal time scales. Simulation of Sahel drought in the 20th and 21st centuries. USA , — This paper presents an overview of the midth century Sahel drought, including its causes and predictions for the future.

Bond, G. Correlations between climate records from North Atlantic sediments and Greenland ice. Massive iceberg discharges as triggers for global climate change. Marcott, S. A reconstruction of regional and global temperature for the past 11, years. Renssen, H. The spatial and temporal complexity of the Holocene thermal maximum. Arbuszewski, J. Meridional shifts of the Atlantic intertropical convergence zone since the Last Glacial Maximum. Abrupt onset and termination of the African Humid Period: rapid climate responses to gradual insolation forcing.

Baker, P. Tropical climate changes at millennial and orbital timescales on the Bolivian Altiplano. Jones, P. High-resolution palaeoclimatic records for the last millennium: interpretation, integration and comparison with general circulation model control-run temperatures.

Holocene 8 , — Linsley, B. A coral-based reconstruction of Intertropical Convergence Zone variability over Central America since Sachs, J. Wolff, E. Millennial-scale variability during the last glacial: The ice core record. Blunier, T. Asynchrony of Antarctic and Greenland climate change during the last glacial period. Thermohaline circulation, the Achilles heel of our climate system: Will man-made CO2 upset the current balance?

Wang, X. Wet periods in northeastern Brazil over the past kyr linked to distant climate anomalies. Partin, J. Millennial-scale trends in west Pacific warm pool hydrology since the Last Glacial Maximum. Carolin, S. Varied response of western Pacific hydrology to climate forcings over the last glacial period. Wang, Y. The Holocene Asian monsoon: links to solar changes and North Atlantic climate.

Science , — This paper shows that Asian monsoon rainfall weakened over the past 8 kyr. Millennial-and orbital-scale changes in the East Asian monsoon over the past , years. An, Z. The history and variability of the East Asian paleomonsoon climate. Lin, J. Fedorov, A. Patterns and mechanisms of early Pliocene warmth. Nature , 43—49 Zhang, Y. A million-year temperature history of the tropical Pacific Ocean. Science , 84—87 Moberg, A.

Highly variable northern hemisphere temperatures reconstructed from low- and high-resolution proxy data. Harris, I. Levine, X. Response of the Hadley circulation to climate change in an aquaplanet GCM coupled to a simple representation of ocean heat transport. Download references. Fasullo and K. Trenberth from the National Center for Atmospheric Research provided the energy flux data we used in Figs 1b and 5 and in some of the estimates in the text. Marcott provided the temperature reconstructions in Fig.

Hell drew Figs 4 and 5. We are grateful for discussions with D. Sigman and N. Meckler and for comments on drafts by F. Ait-Chaalal, A. Donohoe, R. Ferrari, and J. You can also search for this author in PubMed Google Scholar. All authors discussed the central concepts and ideas and processed and analysed data. Correspondence to Tapio Schneider. Reprints and Permissions. Migrations and dynamics of the intertropical convergence zone.

Nature , 45—53 Download citation. Received : 25 November Accepted : 01 July Published : 03 September Issue Date : 04 September Anyone you share the following link with will be able to read this content:. Sorry, a shareable link is not currently available for this article. Provided by the Springer Nature SharedIt content-sharing initiative. Nature Climate Change Meteorology and Atmospheric Physics Theoretical and Applied Climatology Climate Dynamics Create a free Team What is Teams?

Learn more. Why does the Inter tropical Convergence Zone shift? Ask Question. Asked 6 years, 9 months ago. Active 3 years, 2 months ago. Viewed 27k times.

Improve this question. Peter Jansson 4, 2 2 gold badges 29 29 silver badges 55 55 bronze badges. I am trying to recall what I did as a 14 year old Online copy is there at ncert. Gold badge! Add a comment. Active Oldest Votes. Improve this answer. Peter Jansson Peter Jansson 4, 2 2 gold badges 29 29 silver badges 55 55 bronze badges. Carlos Carlos 11 2 2 bronze badges. Gimelist Diya Thomas Diya Thomas 1. And it is north eastern and south eastern winds that converge not south western winds.

Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. The Inter-Tropical Convergence Zone ITCZ - pronounced "itch" appears as a band of clouds consisting of showers, with occasional thunderstorms, that encircles the globe near the equator.

The solid band of clouds may extend for many hundreds of miles and is sometimes broken into smaller line segments. It exists because of the convergence of the trade winds. In the northern hemisphere the northeast trade winds converge with southeast winds from the Southern Hemisphere.

The point at which the trade winds converge forces the air up into the atmosphere, forming the ITCZ. The tendency for convective storms in the tropics is to be short in their duration, usually on a small scale.

But these short lived storms can produce intense rainfall. It is estimated that 40 percent of all tropical rainfall rates exceed one inch per hour. The ITCZ follows the sun in that the position varies seasonally. It moves north in the Northern Hemisphere summer and south in the Northern Hemisphere winter. Therefore, the ITCZ is responsible for the wet and dry seasons in the tropics.