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Kevin McKinney

Nice interview, Neven!

Solid information, with a personal touch. Enjoyed it very much.

It would be hard to tar Dr. Bertolino with the 'alarmist' brush, wouldn't it? "It is a safer bet to say 'downwards. . .'"

Sounds almost like British dry humor, as I think about that comment.


A BBC article. Makes you want to give up.



"I do not know enough of the PIPS system to explain the difference."
Very diplomatic :-)

I'm glad they are following CryoSat closely, and working on the calibration already. If this summer melt season passes without *somebody* presenting some CryoSat thickness data, I will be very disappointed.

Thanks for the interview, Neven. And that dynamic viewer looks interesting...


Hi everybody!

This is my first post here. I found an interesting news today about actual ice thickness measurements on the german site of Alfred Wegener Institute. They just completed their 6-week expedition over the Arctic with the Polar 5 research plane. At the moment the news is only in German, but normaly they translate it in english soon. I found some of the information in english on a site, that seems to be a denier site, but the information from the expedition in the first part of the arcticle there is better than no translation.

arcticle of Alfred-Wegener-Institut

Chris K.


Hi Chris K. and welcome.

I hope you don't mind, but I have deleted the link to the site with the English translation, as I don't want to attract people who will probably spoil the atmosphere here. Next time you can also use the last SIE update to link to news articles, as it is a bit off-topic here.

In fact, it fits in perfectly with this blog post I wrote two days back. See the last bit on 'circumstantial evidence' where I actually mention some AWI results from last year. I'll write an addendum tomorrow.

So thanks for letting us know!


Hi Neven,

you're completely right, my post fits better to your other blog post, sorry for my confusion. And I understand your concerns about the english link, it's really better not to attract the wrong people. First I thought my browser has eaten the second link, but fortunately I read your post before I posted it again.

Christoffer Ladstein

Brilliant interwiew Neven, but I must say you try to make us "Vikings" in the North look rather stereotype...
I spent 2 years in Bergen as a student, and if I had continued my study I might today have been "onboard" Bertolinos team! But I choose another direction...
Though I find his description of Bergen/Norway contra Oslo correct, but just imagine living inside a deep, deep fjord/valley with "no" sun for 6 months?! So most people live close to Oslo and dream of the "true Norway"!
But Neven, if you after you have stilled your most basic of Maslows needs (or any other!) consider paying Norway a visit, I might hang along just for the fun and perhaps for a glimpse of a glacier! It's so much to see and so little time to spend doing so....

Artful Dodger
LB: The ice thickness in our models is not constrained by observations in any way.

Neven, I wonder if you can confirm with Dr. Bertino if they have employed NASA IceSat level 3 data in any way, such as validating TOPAZ thickness estimates? Obviously, it is the goodness-of-fit and estimated error range we want.

Steve Bloom

Also, ask him when they expect to have those CryoSat results. Then we could all stop wondering!

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