1. The Earth Institute's International Research Institute for Climate and Society (IRI) presents, "Evaluating, Improving and Promoting Effective Use of Satellite Rainfall Products." This seminar explores ways to evaluate, improve, promote and use satellite rainfall products.

    Tufa Dinku, research scientist at IRI, will discuss the various satellite rainfall products are used in different applications at IRI and many other places across the world. These products are particularly critical over parts of the world where rain gauge networks are very sparse or non-existent, and where available data are not accessible. The quality of the different satellite products varies from one product to another and from one climatic region to another. Rigorous validation is required in order to understand the performance of these products under different climate conditions. Efforts have been made at IRI to evaluate different satellite rainfall products, particularly over different parts of Africa. One finding from these evaluations has been that combining satellite rainfall products with rain gauge measurements would improve the satellite products significantly. Thus, we have been exploring different ways to combine satellite rainfall estimates with ground observations. On the other hand, we have also been making efforts to promote the use of satellites products and local observations for improving climate services in Africa. All these efforts have contributed to better understanding, improvement and better use of satellite products.

    # vimeo.com/42792968 Uploaded 41 Plays 0 Comments
  2. The IRI, IFRC and Red Cross/Red Crescent Climate Centre have made a short video about using seasonal forecasts and other climate information to improve humanitarian response and preparedness.

    # vimeo.com/8122673 Uploaded 848 Plays 0 Comments
  3. Join our newsletter: iri.columbia.edu/subscribe

    Climate change threatens a fragile ecosystem in the Andes

    The páramo is a high mountain ecosystem in South America's Andes rich with biodiversity and an important source of water for millions of people. It's at risk of becoming drier because of changing climate conditions. Our latest slideshow documents the efforts of IRI's Daniel Ruiz Carrascal and an international team of researchers who have been measuring how the environment of the páramo is changing over time.

    # vimeo.com/23937998 Uploaded 1,859 Plays 0 Comments
  4. iri.columbia.edu

    A lo largo de la cordillera de los Andes en Colombia, Ecuador, Perú y Venezuela, ubicado entre la cota máxima de árboles y la línea de lo que solíamos llamar nieves perpetuas, se encuentra el páramo, un ecosistema único e inquietantemente sublime que está amenazado por el cambio climático.

    El clima en el páramo de los Andes del Norte es húmedo y frío. Las temperaturas pueden alcanzar valores por debajo del punto de congelaciónen la noche, y aumentar rápidamente a valores cercanos a los 15°C durante el día. Pero esto no me preocupa. Al contrario, estar en este ecosistema me fascina. Por eso regreso a él, cada que puedo, con el objetivo de investigar los cambios ambientales que se están presentando en este ecosistema. Mi nombre es Daniel Ruiz Carrascal, y soy asistente de investigación a nivel de postgrado del Instituto Internacional de Investigaciones de Clima y Sociedad, y profesor asociado en la Escuela de Ingeniería de Antioquia, en Colombia.

    # vimeo.com/24802244 Uploaded 1,262 Plays 0 Comments
  5. IRI climate scientist Brad Lyon gives an overview of the climate conditions leading up to the 2010-11 drought in East Africa. He says there's a chance of La Niña forming later in the year, which could have devastating consequences for a region already plagued by widespread famine.

    # vimeo.com/27351314 Uploaded 471 Plays 0 Comments

International Research Institute for Climate and Society

IRI Plus

Browse This Channel

Shout Box

Heads up: the shoutbox will be retiring soon. It’s tired of working, and can’t wait to relax. You can still send a message to the channel owner, though!

Channels are a simple, beautiful way to showcase and watch videos. Browse more Channels.